Jim's doctor suggested he should work on exercises that strengthen both his heart and his lungs. which of the following exercises would be best for jim? a. roller blading
b. pull ups
c. pushups
d. rock climbing

Catalina ate a candy bar and then went on a fast-moving ride in an amusement park. she was sick to her stomach after the ride and now, catalina cannot eat candy bars, because they make her nauseous. in this learned association, the candy bar serves as a(n) to catalina.

Does anyone have an answer to this question? if so me.

How quickly a drug enters your bloodstream also depends on