During early and middle fetal life, the testis are located in the
Inguinal canal
Abdominal cavity
Pelvic cavity
Scrotal saes
Spermatogenesis is induced by
The maximum growth rate occurs in
$A$ : The scrotum acts as temperature regulator for the testes.
$R$ : Wall of scrotum is supported by dartos muscles which help in positioning of testes.
The corpus luteum secretes progesterone which negatively feeds back and inhibits the release of
When more than one sperm establish contact and penetrate into the egg, then it is called