For men taking the Air Force physical fitness test, the best possible time to run 1.5 miles is in less than . A. 15 minutes, 30 seconds, B. 13 minutes, 36 seconds
C. 9 minutes, 12 seconds
D. 10 minutes, 23 seconds

The germs that cause infections are mainly spread in what three ways? a. immunization, mucous membranes, not washing hands b. germ-laden droplets, direct contact with body fluids, insects c. hand hygiene, sickness, immunization d. not enough sleep, low oral hygiene, germs

Victoria enjoys laughing with her friends as they walk around the track after school which best describes her heart rate during this activity

What is the hormone in your brain that makes you feel happy?