Out of the 200 million ejaculated sperm, only about __________ reach the vicinity of the egg.
A. 2000
B. 2
C. 200
D. 20
E. 20,000
C. 200
You might also like to view...
The two major types of phagocytic cells are ________ and ________.
A. lymphocytes; monocytes B. neutrophils; monocytes C. eosinophils; T cells D. neutrophils; macrophages E. monocytes; macrophages
True or False? Damage to the glossopharyngeal nerve will result is complete loss of the sense of taste.
Answer the following statement true (T) or false (F)
The movement of a body part downward is called
A) retraction. B) pronation. C) depression. D) protraction. E) eversion.
Electrolyte balance primarily involves balancing the rates of ________ across the digestive tract with rates of ________ at the kidneys.
A) excretion; secretion B) filtration; absorption C) secretion; filtration D) absorption; loss E) osmosis; gain