Secretions from the skin, such as sweat, protect the body because they
a)contain pathogens.
b)release histamines.
c)are slightly acidic.
d)contain white blood cells.

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.

Which scenario represents consensual sex? lena has sex with a minor at a party. marco has sex with steffany, who has been drinking a lot of alcohol. twenty-year-old robert has sex with his 21-year-old boyfriend. o quan has sex with a woman with a mental disability whom he knows very well.

Sweat glands that cause orders during puberty are present in the body from the time of brith