Give on example of how your personal perceptions affect your self- esteem.

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.

Antibiotics are given when an std is caused by a virus. true or false

Do not enter a place alone 1 public 2 seclude