A is the answer.
Influence by environment effects how you do almost everything including your health procedure. No one makes decisions based only on facts obvious. And social media influence is why there is a market on social media.
I think they are all good but C BESTLY describes the situation being described
P.E could be one maybe ( their were no options so im not sure)
<span>There are many ways our body sends messages in order to help regulate bodily function, like mood, body heat, and so forth. One way our body communicates is through the endocrine system. This sends chemical messengers in the form of molecules like the ones in the picture through our bloodstream to perform specific functions.</span>