Answer:
At the beginning of the follicular phase, the lining of the uterus (endometrium) is thick with fluids and nutrients designed to nourish an embryo. If no egg has been fertilized, estrogen and progesterone levels are low. As a result, the top layers of the endometrium are shed, and menstrual bleeding occurs.
Parasitism is an interaction in while the host is harmed
Answer:
A) he is a human okkkkkkkkkk
I think it would either be c or d...
