What is life and why does it change?

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.

Explanation:

slitherio is the original. its the best friend of all middle schoolers. the man you can count any time you have some free time. slitherio is the guy you hang with while you're in the computer lab suppose to be doing "research or whatever". slitherio isn't just a game but a friend.

wormaxio is just a fake trying to squeeze its way into the friend group. trying to pretend its cool and your best pal but how long has it really been there for you, really. it only wants you as friend to boost its social status. wormaxio is just annoying fake pleb. no offense

you and have a wonderful day

multiple allele inheritance is traits controlled by more than 2 alleles (ex: pigeons having 3 alleles of one gene govern their feather color).   so the answer is a.