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1. The upper chambers of the heart are the _____

2. The lower chambers of the heart are the _____

3. When both ventricles relax and refill this is the ________

4. When both ventricles contract and pump the blood out through another series of valves this is the_________.

Q 5-6 Select Physiology.

5. Oxygen poor blood flows from the right atrium to the right ventricle that pumps blood out through the _________ to the lungs.

6. The freshly oxygenated blood returns to the left atrium of the heart by way of the ______.

Q 7-10 Select Continue.

7. Oxygen rich blood flows down through the left atrium to fill the left ventricle, which pumps into the _____.

8. Blood flows from the aorta into smaller _________, which carry it to all body organs and tissues.

9. From the arterioles, blood flows into thin walled blood vessels called _______________.

10. After flowing through venules, then veins, eventually all blood enter either the superior or inferior ____________ which empty into the heart.


Sagot :

Answer:

lungs  maybe

Explanation: