During resistance exercise, muscles are

a.
working against a force
b.
repeatedly contracted
c.
concerted in movement
d.
all of the above

answer is a.

most answers will say d but the real one is a.

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

Which principle described by psychologist martin seligman fosters an overall positive attitude by using thinking and behavior techniques to resist negativity?

Christopher came down with chicken pox after spending time in his child’s day care. the chicken pox represents what link in the chain of transmission in this scenario?