During cold weather, the body attempts to maintain its normal temperature through what means?
a. sweating
b. turning red
c. dehydrating
d. shivering

How do the uv rays cause damage?   what exactly causes the skin to burn;   can you be more specific about this mechanism?   3. how do photosensitive medications increase a person's sensitivity to sunlight and therefore increase their risk of getting burned?     what kind of medications can increase photo-sensitivity, can you think of some examples?

What is the difference between muscular strength and muscular endurance? a. strength refers to mobility of joints, while endurance refers to muscular force. b. strength refers to percentage of body fat, while endurance refers to sustaining activity over time. c. strength refers to muscular force, while endurance refers to sustaining activity over time. d. strength refers to the quality of physical performance, while endurance refers to mobility of joints.

Cammy is cooking hamburger patties for lunch. after a few minutes on the grill, she checks the internal temperature of the patties and finds them to be at 135°f. what should cammy do next?