Answer:
i think it is D
Explanation:
hope this helped!
p.s it would be cool if you gave me brainliest.
Standard anatomical position is a way of describing the anatomy of an organism so that it is easy to understand what part of the body is being talked about no matter what direction the organism is facing or where its appendages/limbs are. In humans, standard anatomical position is defined as standing up straight with the body at rest.
I think it might be hormones not sure.