BRAINLIST?! What effect can prolonged stress have on your body? clears up skin issues an acne
causes muscle gain
suppresses the immune system
enhances the cardiovascular system

it supresses your immune system your body will feel the weird feeling near the immune

Explanation:

C.

Explanation:

b) the heart is a pump made of muscle and that is difficult to grow in the lab.

exposure to hazardous carcinogens and toxic substances can cause breathing problems, such as copd and various types of cancer. it also increases the risk of heart attacks and strokes and has serious (but no less unattractive) side effects, such as aging, yellow teeth, a terrible smell and damage to the vocal cords.