The brain chemical that causes feelings of euphoria and exhilaration when newly in love is called __________.

Substance abuse and substance dependence are the same.

Oral sex can allow sexually transmitted diseases to pass from one partner to the next.

The average American worker usually takes __________ paid vacation days annually.

Which of the following is a criticism of email conversations in building intimate relationships?

Which of the following muscles is involved in adduction?

The muscles whose origins are broad and their insertions are narrow are collectively called:

David Knox’s research revealed college students were mostly __________ in their sexual beliefs.

Artificial insemination is an example of a(n) __________.

Fertility rates refer to the number of births per year per thousand women of childbearing age.