Some cases of sudden infant death syndrome (SIDS) may include biological vulnerabilities in the function of which neurotransmitter?

Eva and her roommate haven't been getting along lately. Every time Eva enters the room, her roommate looks away and turns her body so that her back is to Eva. This example best illustrates the use of nonverbal behaviour to

A) express emotion. B) facilitate verbal communication. C) contradict verbal communication. D) convey attitudes. E) communicate personality traits.

A maximum level of sexual arousal is reached during the ________ phase of the human sexual response cycle

a. orgasm b. resolution c. excitement d. plateau e. climax