At the beginning of its journey from the testis, a sperm cell is transmitted through an elaborate system of ducts by the continuous movement of:
A) cilia.
B) lipids.
C) blood.
D) urethral sphincters.
Question 2
The major portion of seminal fluid comes from the:
A) prostate gland.
B) Cowper's glands.
C) vas deferens.
D) seminal vesicles.