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The neutrophil

The macrophage

The B cell

The T cell

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The neutrophil

The macrophage

The B cell

The T cell

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1) the body’s reaction to unknown substances such as viruses, bacteria and other harmful agents.

2)the main immune cells are blood cells neutrophils, lymphocytes, monocytes, eosinophils, and basophils

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An immune response is when the body starts

sending leukocytes to fight against infections and diseasesntheres specifc immune response amd nin specific immune response

The cells responsible for nonspecofic Immune response are the monocytes and granulocytes whike the one involved in specofic is the lymphocytes

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1.The immune response is the body's defense against harmful invaders like bacteria, viruses, or other pathogens.

2.The main immune cells are white blood cells, also called leukocytes, which include neutrophils, lymphocytes , monocytes/macrophages, eosinophils, and basophils.

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1- innate, adaptive, and passive

2- B cells and T cells

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1- the way the body defends itself against harm.

2-white blood cells also known as luekocytes.

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1-1. Immune response definition:
The immune response is the body’s defense mechanism against harmful agents (like bacteria, viruses, or toxins). It involves recognizing and neutralizing these foreign substances to maintain health.

Types of immune response:

2. Cells responsible for each type:

Innate immunity: Macrophages, neutrophils, dendritic cells, natural killer (NK) cells.

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Blood consists of plasma, the liquid portion that carries cells, proteins, and waste; red blood cells (erythrocytes), which transport oxygen and carbon dioxide using hemoglobin; white blood cells (leukocytes), which are key to the immune system, fighting infection; and platelets (thrombocytes), which are cell fragments vital for blood clotting and wound healing.

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1-Title:

-Organs of the Immune System

2-Primary immune organs

Bone marrow

Thymus

Secondary immune organs

Spleen

Lymph nodes

Lymphatic vessels(extra )

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Lymph nodes are located in clusters throughout your body. They act as filters for the lymphatic system, a network of tissues and vessels that help protect the body from infection

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Lymph nodes play a crucial role in the body's immune system. They are responsible for:

Filtering lymph fluid: Lymph nodes filter out foreign substances, such as bacteria and viruses, from the lymphatic fluid.

1

Storing and producing white blood cells: They store and produce white blood cells that help fight infections.

1

Destroying foreign invaders: As lymph fluid passes through the lymph nodes, immune cells destroy foreign invaders and remove damaged or cancerous cells.

1

Connecting lymphatic vessels: Lymph nodes are connected by lymphatic vessels that collect excess fluid from around cells.

1

Overall, lymph nodes are essential for maintaining a healthy immune response.

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If these micro organisms managed to go inside the body it could harm or cause sickness

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1- they are found in clusters throughout the body, including the neck, armpits, chest, abdomen, and groin, as well as other areas. They act as checkpoints in the lymphatic system to filter out and destroy harmful substances.

2- Lymph nodes filter harmful substances like bacteria, viruses, and cancer cells from the lymph fluid and house immune cells called lymphocytes that destroy these threats.

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Lymph nodes are small, bean-shaped glands located throughout the body in clusters, such as the neck, armpits, and groin, and also in the chest, abdomen, and elsewhere. They are situated along lymphatic vessels, which are connected throughout the body. Lymph nodes function as filters for the body's lymphatic fluid, trapping and destroying harmful substances like bacteria, viruses, and cancer cells using white blood cells called lymphocytes.

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1. the body's complex reaction to foreign substances, known as antigens, such as bacteria, viruses, or other harmful agents.

2. The main immune cells are white blood cells, also called leukocytes, which include neutrophils, lymphocytes , monocytes/macrophages, eosinophils, and basophils.

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Red Blood Cells: Carry oxygen.

White Blood Cells: Fight infections And viruses

Platelets: Helps blood

Plasma: takes nutrients and waste.

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Blood Constituents and Roles:

Red Blood Cells: Carry oxygen.

White Blood Cells: Fight infections.

Platelets: Help blood clot.

Plasma: Transports nutrients and waste.

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1.Lymph nodes are found in the entire body. They are located where they can quickly detect and fight infections.

2. They filter lymph fluid and help the body fight infections by activating immune cells.

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Lymph nodes are found in the neck, armpits, groin, chest, and abdomen. They are located where they can quickly detect and fight infections.

They filter lymph fluid and help the body fight infections by activating immune cells.

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1-Primary 1.1Thymus 1.3bone marrow 2-Secondary 2.2 Spleen lymph nodes

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red:toncils

green: thymus

blue: bone marrow

yellow: spleen

grey:veins (blood vessels)

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1. Aiding digestion – breaking down food and making vitamins.

2. Boosting immunity – fighting harmful germs.

3. Protecting the gut and skin – keeping bad microbes away.

4. Supporting mental health – producing chemicals that affect mood.

5. Helping metabolism – processing nutrients and fats.

They basically keep our body balanced and healthy.

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Microorganisms, or microbes, are beneficial because theyhelp digest food, produce essential vitamins, and support a healthy immune system by preventing bad microbes from colonizing

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help you digest food, protect against infection and even maintain your reproductive health.

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aiding digestion, producing essential vitamins (like K and B12), detoxifying harmful chemicals, and developing the immune system to fight off harmful bacteria.

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Use full microorganisms can help recycle waste, absorb nutrients, and produce oxegyn

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Microorganisms are organisms that are not visible through the naked eye ( like germs and viruses)

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If a harmful microorganism enters the body, we might become sick and weak or feel dizzy.

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The microorganism is an organism that can’t be seen by a naked eye and can only be observed using a microscope an example is bacteria

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When a harmful microorganism enters the human body, it can cause sickness by disturbing how the body works. This might cause symptoms like fever, cough, or stomach pain. The immune system reacts by fighting the germ to help the body get better.

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A Microorganism is a small bacteria that cannot be seen by a naked eye.It needs a microscope to see it.It can spread in you body within seconds and it is found in living things.For example a bacteria that is found in animals, and humans.

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A microorganism is a living organism that cannot be seen with the naked eye

Human cells

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help digestion food

Fight bad germs

Make vitamins

Help the immune system

( from articleKidsHealth.org)

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a) Microorganism:
A microorganism is a tiny living thing that is so small you need a microscope to see it. It can live in water, air, soil, or even inside our bodies.

b) Examples:
Bacteria, viruses, fungi, and protozoa are all examples of microorganisms.

(from dictonary.com)

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1. It is a microscopic living organism too small to be seen by the human eye and can only be viewed with a microscope.

2. Bacteria/corona virus

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1)aid digestion, synthesize essential vitamins like Vitamin K, boost the immune system, and protect against harmful pathogens

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Living organisms preform respiration, reproduction, excretion and require nutrition while non living creatures do not

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a)tiny organisms too small to be seen with the naked eye, requiring a microscope to view

b) bacteria,algae ,fungi

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a) Define the term microorganism in your own words

A microorganism is a living thing that is so small it can only be seen under a microscope. They can be helpful (like bacteria in our gut) or harmful (like disease-causing germs).

b) Give examples

Bacteria

Viruses

Fungi

Algae

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In my own honest opinion, if harmful and dangerous microbes were to enter the body , it would lead to disastrous outbreaks across the body leading to sickness and other infections, etc..

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It can do living movements

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Living things:

1. Move – They can move by themselves (like animals walking or humans dancing)

2. Grow – They get bigger or change over time.

3. Eat and Breathe – They need food, water, and air to stay alive.

Example:

A cat is living. It moves, eats, grows, and has kittens.

Nonliving things:

1. Don’t move on their own.

2. Don’t grow or change by themselves.

3. Don’t need food, air, or water.

Example:

A rock is nonliving. It doesn’t eat, grow, or move by itself.

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some living things like plant and trees take oxygen and release co2 and eat also there were animals who breath eat and move.But rocks,cars,dolls,shoes,radio and marbell are non living things they do not move or eat or breathe and there was bactiras who also move and eat they are found in human ans other living things

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Cause they move and breath

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If they are breathing or not

If they need shelter,water, and/or food to survive

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Strengthen our immune system – They help us train and develop our immune system.

Maintain a healthy gut lining – yhey improve the gut barrier and keep it strongg.

🧠 Support brain function – They influence the brain through the vagus nerve and by producing neurotransmitters.

Help with digestion – it breaks down food our bodies can't digest on their own.

produce vitamins – they make important vitamins like vitamin K and some B vitamins

♻️ remove toxins – They help break down or remove harmful substances from the body.

✋ Aid in skin healing

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Non living

living

Non living

Living

Living

Non living

Non living

Living

Non living

Non living

non living

Living

Living

Living

Non living

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2. Based on the pictures we realized that plants and animals and viruses live in your body and move and create or fetch their food.

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If they give birth, move , breath and eat

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a) Definition of Microorganism:
A microorganism is a very small living thing that you cannot see with your own eyes ,you need a microscope to see it , to add, these tiny organisms can live almost anywhere — in water, air, soil, and even inside other living things.

b) Examples of Microorganisms:

Bacteria

Viruses

Fungi (like yeast)

Protozoa

Microscopic algae

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Pair work: A non-living thing does not have life, is not made of cells, living things are organisms that have life and can carry out vital life processes such as growth, reproduction

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Individual task/ Formative assessment/ 10 min 

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Individual task/ Formative assessment/ 10 min 

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Read the given text about the immune system cells then answer the below questions.

correct your answers with a colored pen

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Individual /5 min: copy and complete the diagram.                               Numbered Heads together/2 min: Agree on 1 answer per group then student 3 reports on Padlet 

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Individual /5 min: copy and complete the diagram.                               Numbered Heads together/2 min: Agree on 1 answer per group then student 3 reports on Padlet 

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Choose one or more correct answer for each of the questions

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Choose one (or more) answer(s) for each given question

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1. Define an immune response and indicate its types.​
2. Name the cells responsible for each type of immune response.

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Research the constituents of blood and then indicate the role of each.

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Individual task

Read the text then answer the below questions. Correct your answers with a GREEN pen.

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Numbered heads together/4 min, student 2 reports

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Numbered heads together/4 min, student 2 reports

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Based on a small online research

1. Where the lymph nodes located in our body? And why?​

2. What is the function of the lymph nodes?

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A/ Individual work/5 min:

Copy the diagram and and refer to the text in the power point fill in the blanks

B/ Numbered heads together/ 2 min: Student 4 reports

agree on 1 answer then share it as 1 photo per group

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Choose the correct name for each of the indicated organ of the immune system.​

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Choose the proper name for each designated organ

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Numbered Heads Together/student 4 reports

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Numbered Heads Together/student 4 reports

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In your opinion, what would be the consequences of a harmful microorganism entering the human body?​

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Based on a small online research and a pair discussion

Name some ways USEFUL microorganisms can help our bodies.

One student form your group shares the answer here.

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Based on a small online research and a apir discussion

a) Define the term microorganism in your own words

b) Give examples

One student form your group shares the answer here.

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A/ individual task/ 4 min:

Sort the pictures into living and nonliving.

B/ Pair and Share/ 4min:

Indicate the characteristics that helped you identify things as living and nonliving.

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Sort the following items into living and non-living things.