What signals your brain to say you have been eating too much?
a. Increased concentration of glucose in your bloodstream
b. Tension in the receptors of the skin that covers your abdomen
c. Increased levels of the hormone leptin
d. Increased speed of the action potentials of axons in your spinal cord
c
Psychology
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Some psychologists believe that an organism's behavior is motivated by the need to achieve a state of balance in which the body functions effectively—a state called
a. unbalance. b. acquiescence. c. propinquity. d. homeostasis. e. instinctiveness.
Psychology
Which of the following methods of contraception provides the best protection against sexually transmitted infections?
A) A diaphragm B) Withdrawal C) A spermicide D) A male condom
Psychology