Peristaltic waves squeeze sperm from the epididymis along to the outside of the male's body during:
A) vasectomy
B) circumcision
C) spermatogenesis
D) ejaculation
E) erection
Answer: D
Peristaltic waves squeeze sperm from the epididymis along to the outside of the male's body during:
A) vasectomy
B) circumcision
C) spermatogenesis
D) ejaculation
E) erection
Answer: D