Most male mammals have testes in an external sac in order to protect their sperm from overheating. Excessive heat can impair sperm, negatively affecting fertility.
Most male mammals have their testicles on the outside of the body to aid in temperature regulation. If the testes were inside the body, sperm would become too hot and die.
They are contained in the scrotum.
Vaginal sac. Vagina means sheath.
scrotum
scrotum
scrotum
Yes.
Scrotum. A+
Scrotum
2
testes are the two endocrine glands in the scrotal sac of a male.
Inside the testicular sac, below the cocsys
Cryptoorchidism