Chemical substances secreted by glands, that affect the functioning of bodily organs, are called ________
a. endorphins.
b. neurotransmitters.
c. hormones.
d. opioid peptides.
Answer: c
Psychology
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Which of the following best describes the effect of alcohol on sleep?
a. It has no significant impact on the quality or quantity of sleep. b. It increases the quantity and quality of sleep by increasing all stages of sleep. c. It decreases the quality of sleep by reducing REM sleep. d. It increases REM sleep but decreases the deeper stages of sleep.
Psychology
Conception involves the
a. division of cells via mitosis. b. study of concordance rates among twins. c. dominance of some alleles over others. d. union of sperm and egg.
Psychology