An evolutionary explanation of why we get goose bumps when cold is that ____
a. our sympathetic nervous system is activated
b. we inherited the mechanism from our remote ancestors who had more hair
c. we have a preference for being warm
d. our children are often raised in cold environments
b
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Major causes of open head injuries in the United States include
A. boxing and playing football. B. gunshot wounds and skull fractures. C. playing soccer. D. aneurysms.
The basic elements of speech are called
a. memes. b. morphemes. c. phonemes. d. grammemes. e. monemes.
The part of the dark triad that includes a lack of empathy mixed with impulsivity is known as __________
a. Machiavellianism b. narcissism c. agreeableness d. psychopathy
Drugs such as morphine and heroin are classified as __________.
A. opioid molecules B. narcotic antagonists C. endogenous opioids D. opiate drugs