How does nicotine affect the respiratory system? A. It increases reflex actions
B. It causes breathing to become shallow
C. it increases muscle activity in the airways
D. It decreases mucus production.

Which can be an effective way to reduce stress? a) getting in the habit of doing things perfectly the first time b) engaging in a fun physical activity on a regular basis c)taking an antacid for a stress-based stomachache d)studying extra hard the night before a test

Which of the following identifies a main culprit for america’s increasing weight gain

Aguarantee about the product in writing from the manufacturer is called the ?