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Cade make new Padlet call quarantine

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pathways

Hello, Aarya | Home | Global Dashboard | Help | Logout Notebook | Messages

Glencoe Health My Assignments Communication Resource Library Project Center Fitness Zone

Chapter 13: Your Body Systems1: Your Skeletal and Muscular Systems2: Your Nervous System3: Your Circulatory and Respiratory Systems4: Your Digestive and Excretory Systems5: Your Endocrine and Reproductive Systems6: Your Immune SystemAssessment

A | A | A     Vocabulary

3: YOUR CIRCULATORY AND RESPIRATORY SYSTEMS

Your Circulatory and Respiratory Systems

BIG IDEA Your heart is the center of your circulatory system, and your lungs are the center of your respiratory system.

Keeping Your Circulatory and Respiratory Systems Healthy

MAIN IDEA You can help keep your heart, blood vessels, and lungs healthy and strong.

The health of your circulatory system has a major effect on your current and future health. Your blood carries oxygen to your cells and carbon dioxide away from them. Your blood also carries vital nutrients to your organs, muscular system, and skeletal system.

Caring for Your Circulatory System

The best way to help keep your heart healthy is to be physically active. Teens should set a goal of getting 60 minutes of physical activity each day. Regular activity strengthens your heart muscle and allows it to pump more blood with each heartbeat.

What you eat can have either a positive or negative effect on your circulatory system. Try to limit the amount of fat you eat. Fats, especially saturated and trans fats, can cause deposits to form in your arteries. These deposits increase blood pressure. As you lower your fat intake, increase your intake of dietary fiber. Whole grains and fresh vegetables are a great source of fiber. Whole-grain cereals, raw vegetables, and breads made with whole grains also make filling and satisfying snacks.

Another way to keep your heart and blood vessels healthy is to avoid tobacco. Tobacco use can cause lung cancer, emphysema, and other lung diseases. The nicotine in tobacco can constrict your blood vessels. When your blood vessels are constricted, or narrower, your heart has to work harder. This can result in high blood pressure and lead to heart disease.

Finally, learn to manage the stress in your life. Stress can cause high blood pressure, which puts a strain on the entire cardiovascular system. You can learn strategies to deal with stress in healthful ways. Regular physical activity is a very effective way to help relieve stress. Staying active can also help you maintain a heart-healthy weight.

READING CHECK

Recall What is one good way to help keep your circulatory system in good health?

Caring for Your Respiratory System

Your whole body depends on having a healthy respiratory system. However, you can take positive action to help keep your lungs breathing strong. Here are some things you can do to benefit your respiratory system:

Avoid tobacco use. Smoking can cause cancer. All tobacco products contain substances that can cause cancer.

Stay away from people who smoke. Avoid places where the air is smoky. breathing secondhand smoke, or air that has been contaminated by others' tobacco use, can be just as harmful as smoking.

Take care of your body. Give your body a chance to heal and recover when you have a cold or the flu. See a health professional if an illness does not go away.

Drink plenty of fluids. Whether you feel ill or healthy, you always need plenty of fluids. Drink more water when you participate in physical activity or exercise.

Be physically active on a regular basis. Keep your body systems active and strong.

Eat a healthful diet. As with all body systems, your respiratory system needs a proper balance of nutrients.

Pay attention to weather alerts for your area. Allergy, ozone, and pollution alerts can prepare you for when outside air may be less healthful. Knowing your area's Air Quality Index (AQI) can help you maintain your respiratory health.

Manage stress. Use strategies to maintain your stress levels. As you have learned, stress can have an impact on all sides of your health triangle.

Protect yourself from infections. Wash your hands thoroughly and frequently with soap and water. Keep your body covered and protected when walking in the woods. Eat a healthful diet and get plenty of sleep.

READING CHECK

Recall What is one good way to protect your respiratory system?

Myth: The hiccups are a mystery.

Fact: We know what causes hiccups. The hiccups are caused by the diaphragm. Occasionally, the diaphragm has spasms that cause air to be taken in or pushed out rapidly. The sound of a hiccup is caused by the sudden rush of air being stopped by the vocal cords. Some hiccups can be caused by eating a big meal, swallowing air, stress, or excitement. The mystery is how to get rid of the hiccups!

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Caring for Your Circulatory and Respiratory Systems

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