An advantage of human testes being positioned in an external sac rather than in the abdominal cavity is that the
A) distance that semen must travel during ejaculation is shortened.
B) distance that sperm must swim during insemination is shortened.
C) testes can be kept cooler than the body's interior.
D) testes can enlarge during sexual maturation.

Question

Quizplus · Accepted Answer

Testes require a lower temperature than the body's interior for sperm production to occur. By being in an external sac, the testes can be kept cooler, which is necessary for optimal sperm production.

An Advantage of Human Testes Being Positioned in an External