Sperm cell maturation is stimulated by ____
a. aldosterone
b. estrogen
c. testosterone
d. cortisol
c
You might also like to view...
The uterine phase that develops because of a fall in progesterone levels is the
A) menstrual phase. B) proliferative phase. C) secretory phase. D) follicular phase. E) luteal phase.
The major extensor of the elbow that also extends and adducts the shoulder and originates on the scapula is the long head of the ________ muscle.
Fill in the blank(s) with the appropriate word(s).
Damage to the Sertoli cells would result in the production of antibodies against sperm cells.
Answer the following statement true (T) or false (F)
Each of the following factors affects the efficiency of pulmonary gas exchange EXCEPT:
A) diameter of an alveolus. B) surface area of the respiratory membrane. C) thickness of the respiratory membrane. D) partial pressure of carbon dioxide (PCO2 ) in the blood of the pulmonary capillaries.