Question 10

Question

A)Based on Slides 11-13, how does the presence of only one ventricle in the frog’s heart affect its circulatory system?(1 point)
Responses

It allows for complete separation of oxygenated and deoxygenated blood.
It allows for complete separation of oxygenated and deoxygenated blood.

It causes mixing of oxygenated (blood with oxygen in it) and deoxygenated blood (blood without oxygen in it), making it harder for the body to get the oxygen it needs.
It causes mixing of oxygenated (blood with oxygen in it) and deoxygenated blood (blood without oxygen in it), making it harder for the body to get the oxygen it needs.

It prevents blood from being pumped to the lungs.
It prevents blood from being pumped to the lungs.

It enhances the efficiency of oxygenation compared to the human heart.
It enhances the efficiency of oxygenation compared to the human heart.
Question 11
A)Consider the differences in heart structure between frogs and humans. How might these differences influence the physical activity levels and endurance of each organism?(1 point)
Responses

The human heart's four chambers and double circulation probably support higher physical activity levels and greater endurance compared to the frog's three-chambered heart and incomplete double circulation.
The human heart's four chambers and double circulation probably support higher physical activity levels and greater endurance compared to the frog's three-chambered heart and incomplete double circulation.

The frog's heart structure allows for higher physical activity levels and greater endurance than the human heart.
The frog's heart structure allows for higher physical activity levels and greater endurance than the human heart.

Both heart structures support the same levels of physical activity and endurance.
Both heart structures support the same levels of physical activity and endurance.

The frog's heart structure supports higher endurance but lower physical activity levels compared to the human heart.

Answer 1

Question 10

B) How does the presence of only one ventricle in the frog’s heart affect its circulatory system?

Correct Response: It causes mixing of oxygenated (blood with oxygen in it) and deoxygenated blood (blood without oxygen in it), making it harder for the body to get the oxygen it needs.

Question 11

A) How might these differences influence the physical activity levels and endurance of each organism?

Correct Response: The human heart's four chambers and double circulation probably support higher physical activity levels and greater endurance compared to the frog's three-chambered heart and incomplete double circulation.