At birth, the testes are normally contained in the

The results of the National Health and Social Life Survey reflect an American people who are:

The labia majora is . . .

Healthy sperm production should have a scrotal temperature that is

In which of these sexual organs are sperm actually formed?

Once the egg is released from the ovary into the fallopian tube, it remains viable for fertilization for approximately:

The maleness-determining gene is called

Uncircumcised men are at a slightly higher risk for developing ____ than circumcised men.​

The technical term for impotence is

Which of the following is an advantage of using questionnaires instead of interviews?