You should really include the article with the question. Makes it easier for those wanting to answer
Stress causes the body to release the hormone cortisol, which is produced by the adrenal glands also stress effects the immune system, the body can become vulnerable to infections.
I would think that the answer is D. all of these, considering that:
1) The cytoplasm is mostly made of water, but also contains salt, enzymes, organelles, and orgaince molecules; 2) The cytoplasm supports and suspends cellular molecules and organelles; and 3) Chemical reactions also occur in the cytoplasm, and the enzymes it contains help speed up these reactions.
D. Because a pregnancy is a 40 week period of an embryo.
I believe it’s d) cardiovascular endurance