Question 1
Which hormone is associated with the biological clock?
◦ insulin
◦ growth hormone
◦ melatonin
◦ cortisol
◦ prostaglandins
Question 2
Which is an example of an organ that is nervous in origin, structure, and function but secretes substances into the bloodstream?
◦ anterior pituitary
◦ posterior pituitary
◦ pancreas
◦ adrenal cortex
◦ testis