Answer:
D. Pulmonary circulatory loop
Explanation:
The Pulmonary circulatory loop transports the blood between the heart and the lungs only. In this pulmonary loop deoxygenated blood the heart through the right ventricle and goes through the pulmonary trunk. The pulmonary trunk splits inside the right and left pulmonary arteries.
Arteries have oxygenated blood inside of them.
I'd say B. Immune suppression.
So you are confident in yourself and how you look and so you can stay in shape before you get to old and enjoy your life to the fullest
Answer:
i think it should be a or c
