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Mind Maps: Human Circulatory System | Science Class 7

The document Mind Maps: Human Circulatory System | Science Class 7 is a part of the Class 7 Course Science Class 7.
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FAQs on Mind Maps: Human Circulatory System - Science Class 7

1. What are the main components of the human circulatory system?
Ans. The main components of the human circulatory system are the heart, blood vessels, and blood.
2. How does the human circulatory system work to transport oxygen and nutrients throughout the body?
Ans. The heart pumps oxygen-rich blood through arteries to various parts of the body. The blood then delivers oxygen and nutrients to cells and tissues before returning to the heart through veins.
3. What is the role of red blood cells in the human circulatory system?
Ans. Red blood cells transport oxygen from the lungs to the rest of the body and carry carbon dioxide back to the lungs to be exhaled.
4. How does the human circulatory system help regulate body temperature?
Ans. Blood vessels near the skin surface can dilate to release heat and constrict to conserve heat, helping to regulate body temperature.
5. What are some common disorders of the human circulatory system?
Ans. Some common disorders include hypertension, heart disease, and atherosclerosis.
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