Question

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Answer 1

Answer:

1) deoxygenated blood from body entering the heart

2) the right atrium

3) the valves prevent the flow of blood in the wrong direction when the atria and ventricles contract

4)the right ventricle

5) the thicker walled left ventricle

6) the left atrium

7) oxygenated blood from lungs entering the heart

8) deoxygenated blood leaving the heart and flowing to the lungs

9) oxygenated blood leaving the heart and flowing to the lung