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

Question

Quizplus · Accepted Answer

The external sac (or scrotum) allows the testes to be kept at a temperature that is lower than the body's internal temperature. This is necessary for proper sperm development and production. If the testes were located inside the warm abdominal cavity, they would overheat and sperm production would be impaired.

An Advantage of Human Testes Being Positioned in an External