2. One way nicotine affects the nervous system is by a. mimicking neurotransmitters. b. decreasing its activity level. c. deactivating the brain’s “reward pathway.” d. reducing blood flow to the skin.

2. One way nicotine affects the nervous system is by

a. mimicking neurotransmitters.
b. decreasing its activity level.
c. deactivating the brain’s “reward pathway.”
d. reducing blood flow to the skin.
3. What part of the body is most affected by emphysema?
a. blood vessels
b. alveoli
c. bronchi
d. the heart

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2. One way nicotine affects the nervous system is by a. mimicking neurotransmitters. b. decreasing its activity level. c. deactivating the brain’s “reward pathway.” d. reducing …

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