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

When all the values in a data set are written in order from least to greatest, the value that is in the middle, with an equal number of values below it and equal number of values above it, is called the .

Patrick’s parents are worried that he may face discrimination in his new neighborhood. which factor is most likely to cause worry to his parents? a. patrick has unusual pets at home. b. patrick belongs to a different culture than that of the majority group. c. both patrick’s parents hold jobs outside the home. d. patrick likes a particular sport.

Which of the follow is good way to gauge musculature endurance?