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Click the link below to watch!

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me and gabe did this

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1. Search the Web.

2. Find some information on the respiratory system.

3. Summarize and share what you learn by posting it to this page.

4. If you feel the information is really valuable, drag a link or copy here too.

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Students explore the inhalation/exhalation process that occurs in the lungs during respiration. Using everyday materials, each student team creates a model pair of lungs.
This engineering curriculum aligns to Next Generation Science Standards (NGSS).

Learning Objectives

After this activity, students should be able to:

Describe the function of the respiratory system.

Create a model of the lungs and explain what happens to them when you inhale and exhale.

Give examples of engineering advancements that have helped with respiratory systems.

Educational Standards
Suggest an alignment not listed above

Materials List

Each group needs:

2-liter empty plastic bottle with cap

2 plastic drinking straws; available inexpensively at restaurant supply stores or donated by fast-food chains; do not use the flexible drinking straws

2 9-inch balloons

1 larger balloon; for example, for a punch ball

2 rubber bands

Lung Worksheet, one per student

Worksheets and Attachments
Visit [www.teachengineering.org/activities/view/cub_human_lesson09_activity1] to print or download.

Introduction/Motivation

Have you ever been on a crowded subway or bus? You probably could not wait to get out where there were not so many people and you could move around freely. This is similar to the process that causes air to flow in and out of your lungs. The air molecules are either crowded outside (in the environment) and want to get into the lungs where there are less air molecules (inhalation), or they want to get outside because they are too crowded inside the lungs (exhalation).

When you inhale, your diaphragm muscle contracts downward and rib muscles pull upward causing air to fill the lungs. Can you think of why? Well, when your diaphragm moves down and ribs move up, they make more space in your chest (in the thoracic cavity) for air. This also decreases the pressure on your lungs so the air will flow in from the outside. The opposite happens when you breathe out. Your diaphragm relaxes and the ribs and lungs push in which causes air to be pushed out.

Engineers need to understand the respiratory process in order to design machines and medicines to help people whose respiratory systems function incorrectly or with difficulty. Have you ever known someone who suffers from asthma or pneumonia? Well, chemical engineers design devices and medicines, such as inhalers filled with an adrenergic bronchodilator to help people breathe better. Engineers have also developed artificial lungs that help people breathe while fighting off infections. And engineers also design the systems that help astronauts breathe easily during space flight, when they are far away from the Earth's atmosphere.

Engineers use models to study complicated processes and better understand them. In this activity, you will act like engineers by building models of the lungs in order to study the breathing process and what happens when you breathe in and out.

Procedure

Before the Activity

Gather materials and make copies of the Lung Worksheet.

In each of the 2-liter bottle caps, drill 2 holes that are just big enough for a drinking straw to fit through. Tip: Make sure to drill the holes far enough apart that the holes do not become one big hole!

Using a pair of scissors, cut off the bottom of each 2-liter bottle.

With the Students

1. Peel off the labels, if any, on the 2-liter bottles.

2. Tell students that the 2-liter bottle represents the human chest cavity.

3. Stick two drinking straws through the two holes in the bottle cap.

4. Place one 9-inch balloon on the end of each straw and secure them with rubber bands, as shown in Figure 2.

Figure 2. Example model "lungs" created for the experiment setup.

1. Tell students that the straws represent the bronchi and the balloons represent the lungs.

2. Stick the balloon ends of the straws through the bottle opening and tightly screw on the lid.

3. Stretch out the larger balloon and place it over the open bottom of the bottle.

4. Tell students that this larger balloon represents the diaphragm. Now they have a finished model of the lungs! (See Figure 3,) Next, it is time to make the lungs work!

Figure 3. A model of the lungs.

1. Pull the diaphragm (balloon) down (that is, away from the lungs) in order to inflate the lungs. (Note: This makes the chest cavity larger and decreases the pressure.)

2. Push the diaphragm (balloon) in (towards the lungs) in order to deflate the lungs. (Note: This makes the chest cavity smaller and increases the pressure.)

Figure 4. A model of the human chest cavity.

1. Have students complete the worksheet.

2. To conclude, have teams make presentations of their model lungs, as described in the Assessment section.

Vocabulary/Definitions

bronchi: Two large tubes connected to the trachea that carry air to and from the lungs.

diaphragm: A shelf of muscle extending across the bottom of the rib cage.

lungs: Spongy, saclike respiratory organs that occupy the chest cavity, along with the heart. They provide oxygen to the blood and remove carbon dioxide from it.

Assessment

Pre-Activity Assessment

Discussion Questions: Solicit, integrate and summarize student responses.

How do the lungs work? How do you inhale and exhale?

Does your breathing change when you exercise? How?

Activity Embedded Assessment

Worksheet: Have students record their observations and complete the Lung Worksheet. Review their answers to gauge their mastery of the subject.

Post-Activity Assessment

Presentation and Informal Discussion: Have one or more groups use their projects to demonstrate how the lungs work. Next, hypothesize with the class: What would happen to the respiratory system if we punctured it? Have one group puncture the cavity (bottle) or diaphragm (rubber bottom) and demonstrate what happens to the lungs if this body part is damaged. (Answer: The lungs are unable to inflate and/or deflate if the chest cavity has a leak. The lungs cannot maintain the pressure difference.) Discuss with the class: What could engineers do to help fix a puncture in a person's lungs?

Troubleshooting Tips

When cutting off the plastic bottle bottom, make sure that the edges are as smooth as possible so it does not rip the balloon on the bottom. If edges are rough, bind them with masking or duct tape.

Seal any potential leaks with poster tack.

Activity Extensions

Have students research respiratory diseases and how they affect the function of the respiratory system. Can they alter their model to show what happens to the lungs with these diseases? Can they demonstrate on their models what has been done to help people with respiratory problems?

Engineers have developed an artificial lung to help people fight infection. The artificial lung is approximately 18-inches long and consists of membranes that pass oxygen to the blood and remove carbon dioxide. It is inserted through a vein in the leg and lodged in the main vein (the vena cava) passing blood to the heart. The blood is re-oxygenated through a catheter attached to an oxygen supply. Have students create a drawing of a machine that could help their model lungs "breathe" without having them pull down or push up on the lower balloon. Explain that this is how engineers might begin to develop life-saving machines.

Activity Scaling

For lower grades, have students make one lung rather than two. Use a smaller water bottle rather than a 2-liter bottle and one balloon lung rather than two.

References

"How is Asthma Treated?" Diseases and Conditions Index, National Heart, Lung and Blood Institute, National Institutes of Health, U.S. Department of Human Services. Accessed May 23, 2006. http://training.seer.cancer.gov/anatomy/respiratory

"Bronchi and Bronchial Tree." Training Website: Bronchi, Epidemiology and End Results (SEER) Program, U.S. National Cancer Institute's Surveillance. Accessed May 23, 2006. http://training.seer.cancer.gov/anatomy/respiratory/passages/bronchi.html

"Respiratory system." Wikipedia, The Free Encyclopedia, Wikipedia,com. Accessed May 23, 2006. https://en.wikipedia.org/wiki/Respiratory_system

Copyright © 2006 by Regents of the University of Colorado

Contributors Teresa Ellis; Malinda Schaefer Zarske; Janet Yowell

Supporting Program Integrated Teaching and Learning Program, College of Engineering, University of Colorado Boulder

Acknowledgements

The contents of this digital library curriculum were developed under grants from the Fund for the Improvement of Postsecondary Education (FIPSE), U.S. Department of Education and National Science Foundation (GK-12 grant no. 0338326). However, these contents do not necessarily represent the policies of the DOE or NSF, and you should not assume endorsement by the federal government.

Last modified: May 1, 2020

# data[].attributes.attachment_link.title
Creating Model Working Lungs: Just Breathe - Activity

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Students explore the inhalation/exhalation process that occurs in the lungs during respiration. Using everyday materials, each student team creates a model pair of lungs.

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[THE NOSE] before air enters the body, the nose filters it to remove all of the dirt and warms it up so its a appropriate temperature. your sense of smell

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The epiglottis is a leaf shaped piece of cartilage that closes up the pathway to the lungs so you don't choke on food while eating yummy, yummy Twinkies. The Epiglottis is VERY important.

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https://bodytomy.com/respiratory-system-facts https://owlcation.com/stem/Thirty-Surprising-Facts-About-the-Respiratory-System  SourceURL:https://bodytomy.com/respiratory-system-facts Respiratory System Facts : You Might Not Know At All

The entire respiratory system is made up of many parts, including the nose, mouth, voice box (larynx), the wind pipe (trachea), bronchial tubes, lungs, the diaphragm, along with the neck, abdominal, and intercostal muscles that enable breathingVersion:1.0 SourceURL:https://owlcation.com/stem/Thirty-Surprising-Facts-About-the-Respiratory-System Thirty Surprising Facts About the Respiratory System | Owlcation
Respiration is a multi-step process involving the respiratory system, the circulatory system, and tissue cells. Unfortunately, the word "respiration" is often used instead of "breathing", which can be confusing for a biology student. When it's used in its technical sense, the term respiration refers to more than just breathingVersion:1.0 StartHTMLEndHTML:000026SourceURL:https://owlcation.com/stem/Thirty-Surprising-Facts-About-the-Respiratory-System Thirty Surprising Facts About the Respiratory System | Owlcation
Respiration is a multi-step process involving the respiratory system, the circulatory system, and tissue cells. Unfortunately, the word "respiration" is often used instead of "breathing", which can be confusing for a biology student. When it's used in its technical sense, the term respiration refers to more than just breathing

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http://www.e-learningforkids.org/health/

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The main function of the respiratory system is the exchange of gases such as oxygen and carbon dioxide in the lungs.

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The main function of the respiratory system is the exchange of gases such as oxygen and carbon dioxide in the lungs.

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The lungs are the primary organs of the respiratory system in humans and many other animals including a few fish and some snails. In mammals and most other vertebrates, two lungs are located near the backbone on either side of the heart. Their function in the respiratory system is to extract oxygen from the atmosphere and transfer it into the bloodstream, and to release carbon dioxide from the bloodstream into the atmosphere, in a process of gas exchange. Respiration is driven by different muscular systems in different species. Mammals, reptiles and birds use their different muscles to support and foster breathing. In early tetrapod, air was driven into the lungs by the pharyngeal muscles via buccal pumping, a mechanism still seen in amphibians. In humans, the main muscle of respiration that drives breathing is the diaphragm. The lungs also provide airflow that makes vocal sounds including human speech possible

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The lungs are the primary organs of the respiratory system in humans and many other animals including a few fish and some snails. In mammals and most other vertebrates, two lungs are located near the backbone on either side of the heart. Their function in the respiratory system is to extract oxygen from the atmosphere and transfer it into the bloodstream, and to release carbon dioxide from the bloodstream into the atmosphere, in a process of gas exchange. Respiration is driven by different muscular systems in different species. Mammals, reptiles and birds use their different muscles to support and foster breathing. In early tetrapod, air was driven into the lungs by the pharyngeal muscles via buccal pumping, a mechanism still seen in amphibians. In humans, the main muscle of respiration that drives breathing is the diaphragm. The lungs also provide airflow that makes vocal sounds including human speech possible

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there are 9 different parts of the respiratory system the nose allows air to enter and exit the body the lungs transfer oxygen to the red blood cells

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before air enters the body the nose filters it

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the left and right lung are about the same size

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the left and right lung are about the same size

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Since the lungs are enclosed and contained within the chest cavity, they must use special passages or airways to connect with the outside environment. The following are structures that assist in the transportation of air to the lungs.

Nose and Mouth - openings that allow outside air to flow into the lungs. They are also primary components of the olfactory system.

Pharynx (throat) - directs air from the nose and mouth to the larynx.

Larynx (voice box) - directs air to the windpipe and contains vocal cords for vocalization.

Trachea (windpipe) - splits into left and right bronchial tubes, which direct air to the left and right lungs.

Bronchioles - smaller bronchial tubes that direct air to small air sacs known as alveoli.

Alveoli - bronchiole terminal sacs that are surrounded by capillaries and are the respiratory surfaces of the lungs.

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Since the lungs are enclosed and contained within the chest cavity, they must use special passages or airways to connect with the outside environment. The following are structures that assist in the transportation of air to the lungs. Nose and Mouth - openings that allow outside air to flow into the lungs.

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in the lungs thousands of tiny air sacs called alveoli extend from the end of the smallest air way

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in the lungs thousands of tiny air sacs called alveoli extend from the end of the smallest air way

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The respiratory system is a biological system consisting of specific organs and structures used for gas exchange in animals and plants.

# data[].attributes.subject
The respiratory system is a biological system consisting of specific organs and structures used for gas exchange in animals and plants.

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The primary function of the respiratory system is to allow the lungs to take in atmospheric oxygen through inhalation and dispose of the waste products the body does not need through exhalation. Inhalation is an active motion that causes the diaphragm to contract.by brenna

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The primary function of the respiratory system is to allow the lungs to take in atmospheric oxygen through inhalation and dispose of the waste products the body does not need through exhalation. Inhalation is an active motion that causes the diaphragm to contract.by brenna

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each of the pair of organs situated within the rib cage, consisting of elastic sacs with branching passages into which air is drawn, so that oxygen can pass into the blood and carbon dioxide be removed. Lungs are characteristic of vertebrates other than fish, though similar structures are present in some other animal groups.

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each of the pair of organs situated within the rib cage, consisting of elastic sacs with branching passages into which air is drawn, so that oxygen can pass into the blood and carbon dioxide be removed. Lungs are characteristic of vertebrates other than fish, though similar structures are present in some other animal groups.

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http://www.e-learningforkids.org/health/

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The trachea or windpipe takes air from the vocal cords to the lungs.
It has ribs of cartilage (gristle) to keep it open.

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there are 9 different parts of the respotory  system the lungs the nose

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the right and left lungs are about the same size

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http://www.e-learningforkids.org/health/

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The vocal cords are at the centre of the voice box and make the sounds when you talk, hum, sing or cough.

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When a person breathes, air comes in through the nose or mouth and then goes into the trachea (windpipe). From there, it passes through the bronchial tubes, which are in the lungs. These tubes let air in and out of your lungs, so you can breathe. The bronchial tubes are sometimes referred to as bronchi or airways.

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When a person breathes, air comes in through the nose or mouth and then goes into the trachea (windpipe). From there, it passes through the bronchial tubes, which are in the lungs. These tubes let air in and out of your lungs, so you can breathe. The bronchial tubes are sometimes referred to as bronchi or airways.

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When a person breathes, air comes in through the nose or mouth and then goes into the trachea (windpipe). From there, it passes through the bronchial tubes, which are in the lungs.

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 The system for taking in oxygen and giving off carbon dioxide accomplished by breathing.

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 The system for taking in oxygen and giving off carbon dioxide accomplished by breathing.

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Version:1.0 StartHTML:000000300 EndHTML:000052392 StartFragment:000052083 EndFragment:000052314 StartSelection:000052083 EndSelection:000052314 SourceURL:https://www.bing.com/search?q=respiratory+system&qs=LS&pq=respiratory&sk=HS1&sc=8-11&cvid=E135F4C5DC484A1DA25BC6111052BF22&FORM=QBRE&sp=2 respiratory system - Bing

1. The respiratory system (called also respiratory apparatus, ventilatory system) is a biological system consisting of specific organs and structures used for the process of respiration in an organism

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The nose is the body's primary organ of smell and also functions as part of the body's respiratory system. Air comes into the body through the nose. As it passes over the specialized cells of the olfactory system, the brain recognizes and identifies smells.

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The nose is the body's primary organ of smell and also functions as part of the body's respiratory system. Air comes into the body through the nose. As it passes over the specialized cells of the olfactory system, the brain recognizes and identifies smells.

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The vocal cords, also known as vocal folds, are folds of tissue in the throat that are key in creating sounds through vocalization. The size of vocal cords affects the pitch of voice. Open when breathing and vibrating for speech or singing, the folds are controlled via the vagus nerve.

They are composed of twin infoldings of mucous membrane stretched horizontally, from back to front, across the larynx. They vibrate, modulating the flow of air being expelled from the lungs during phonation.[

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The RIBS are bones supporting and protecting your chest cavity. They move a small amount and help the lungs to expand and contract.;]

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The RIBS are bones supporting and protecting your chest cavity. They move a small amount and help the lungs to expand and contract.;]

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before air enters the body, the nose filters it to remove dirt and warms it  up so that it's an appropriate temperature.

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Alveoli are tiny balloon shaped structures and are the smallest passageway in the respiratory system. The alveoli are only one cell thick, allowing the relatively easy passage of oxygen and carbon dioxide between the alveoli and the capillary. One cubic millimeter contains 170 alveoli and the area of alveoli is on average 70 square meters.

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Alveoli are tiny balloon shaped structures and are the smallest passageway in the respiratory system. The alveoli are only one cell thick, allowing the relatively easy passage of oxygen and carbon dioxide between the alveoli and the capillary. One cubic millimeter contains 170 alveoli and the area of alveoli is on average 70 square meters.

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The vocal. cords the opening to the airway below is through the vocal cords. Voice and how it is formed. The human voice is created when the air in the lungs is pushed out between the contracting vocal cords. This contraction is modulated by the nerve signals, and opens the vocal cords to varying extents

# data[].attributes.subject
The vocal. cords the opening to the airway below is through the vocal cords. Voice and how it is formed. The human voice is created when the air in the lungs is pushed out between the contracting vocal cords. This contraction is modulated by the nerve signals, and opens the vocal cords to varying extents

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The primary function of the respiratory system is to allow the lungs to take in atmospheric oxygen through inhalation and dispose of the waste products the body does not need through exhalation. Inhalation is an active motion that causes the diaphragm to contract.

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The primary function of the respiratory system is to allow the lungs to take in atmospheric oxygen through inhalation and dispose of the waste products the body does not need through exhalation. Inhalation is an active motion that causes the diaphragm to contract.

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It is about more than just breathing – although breathing is important. Several fun and interesting facts about respiratory system educates and entertains most of the people. 300 million alveoli may be found in a pair of human lungs. Human respiratory system is made up of nose, larynx, bronchi, pharynx, trachea and lungs.

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It is about more than just breathing – although breathing is important. Several fun and interesting facts about respiratory system educates and entertains most of the people. 300 million alveoli may be found in a pair of human lungs. Human respiratory system is made up of nose, larynx, bronchi, pharynx, trachea and lungs.

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It is responsible for taking in oxygen and expelling carbon-dioxide waste. The respiratory system is made up of several organs and structures, including the lungs, windpipe, diaphragm and alveol

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It is responsible for taking in oxygen and expelling carbon-dioxide waste. The respiratory system is made up of several organs and structures, including the lungs, windpipe, diaphragm and alveol

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system

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nick