What is an important function of the ovaries in the menstrual cycle?
a. They discard their endometrium lining, which produces menstrual flow.
b. They contain the eggs, which are released in the middle of the cycle.
c. They suppress activity in the pituitary gland.
d. They inhibit the production of estrogen and progesterone.
Question 2
What role do hormones play in the menstrual cycle?
a. Increased estrogen irritates the endometrium, which causes it to shed.
b. Hormones are part of the menstrual flow.
c. Hormones regulate the development of the follicles and the lining of the uterus.
d. Hormones provide nutrition for the egg.
A closer look at the reproductive cycle of human immunodeficiency virus (HIV)
Structure and function of the hypothalamus and pituitary gland.
endocrine function of the kidneys
Some biologically important hydrogen bonds
Orexin and the Sleep–Waking Cycle
How B Vitamins Function as Coenzymes