Question

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1. Where does blood returning from all parts of the body enter?

2. Where does it pass into from the right atrium?

3. What does it take in the lungs? 4. The oxygenated blood is carried to the left atrium of the

heart, isn't it? 5: Where does it pass into after that?

6. What do smaller arteries divide into? 7. Does oxygen from the blood pass through the walls of these

capillaries or through the walls of veins?

8. What direction does carbon dioxide pass? 9. What do capillaries form?

10. Where do veins carry the blood?

Answer 1

Ответ:

1. Blood returning from all parts of the body enters the right atrium of the heart.

2. It passes into the right ventricle from the right atrium.

3. In the lungs, blood takes in oxygen.

4. Yes, the oxygenated blood is carried to the left atrium of the heart.

5. After that, it passes into the left ventricle.

6. Smaller arteries divide into arterioles.

7. Oxygen from the blood passes through the walls of capillaries.

8. Carbon dioxide passes in the opposite direction, from the body's tissues into the blood.

9. Capillaries form a network of tiny blood vessels that allow for the exchange of gases and nutrients.

10. Veins carry the blood back to the heart, specifically into the right atrium, to begin the circulation process again.