Which is not a reason why it is extremely dangerous to drive a car under the influence of marijuana? users have difficulty judging distances. users have increased heart rates. users have a loss of motor coordination. users feel sleepy or drowsy.

Maintaining a healthy weight allows the respiratory system to work more effectively because a. oxygen is being delivered more adequately. b. the heart does not have to pump as forcefully. c. the capillaries are constricted. d. the lung capacity allows for small amounts of air.

Marijuana is an example of a(n) drug

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