Muscles can: A) Push, pull and lift
B) Pull, lift and change into fat
C) Become bone, grow and stretch
D) Change into fat, grow and lift
Which letter?

Describe the overall function of the nervous system

This is one popular brand of exercise machine

9. withdrawal occurs when alcohol is removed from the system after the brain a. adapted to the continued presence of alcohol b. become physically saturated with alcohol c. become impervious to the effects of alcohol d. begun to treat alcohol as a poison