Time is the principle of exercise which is how long one exercise is to improve fitness true or false

What percent of body heat can be lost through the head

Active immunity refers to: a. the defenses people are born with. b. temporary immunity granted from another source. c. immunity gained through immunization and exposure to diseases. d. natural immunities that protect humans from other animal diseases

Cages or wells required if longer a maximum unbroken length of 30 ft