How r you supposed to tell your parents that you lost $50 without them getting to mad at u?

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.

To avoid whiplash, the center of the headrest must be your ears.

What is a common risk associated with tobacco?