module 39

Question 1

asexual

Answer 1

having no sexual attraction to others

Question 2

testosterone

Answer 2

the most important male sex hormone. Both males and females have it, but the additional testosterone in males stimulates the growth of the male sex organs during the fetal period and the development of the male sex characteristics during puberty

Question 3

estrogens

Answer 3

sex hormones, such as estradiol, that contribute to female sex characteristics and are secreted in greater amounts by females than by males. Estrogen levels peak during ovulation. In nonhuman mammals, this promotes sexual receptivity.

Question 4

sexual response

Answer 4

cycle the four stages of sexual responding described by Masters and Johnson— excitement, plateau, orgasm, and resolution.

Question 5

Refractory period

Answer 5

in human sexuality, a resting period that occurs after orgasm, during which a person cannot achieve another orgasm.

Question 6

Alfred Kinsey

Answer 6

Indiana University biologist asked Americans about their sexuality through simple behavior surveys and wrote about their experiences

Question 7

William Masters

Answer 7

Made direct observations of human sexual intercourse, recorded responses from human volunteers who came to their lab to masturbate or have intercourse

Question 8

Virginia Johnson

Answer 8

Made direct observations of human sexual intercourse, recorded responses from human volunteers who came to their lab to masturbate or have intercourse