X-ray technicians wear protective gear to keep them safe from the x-rays. Why are x-rays dangerous?.

What does the body do during the resistance phase of the gas model? options: a) it prepares to fight danger or run from it. b) it identifies the primary source of danger. c) it begins to return responses to normal. d) it repairs itself from fatigue and stress.

True or false mucous membranes destroy pathogens on the outer body surface, at body openings.

Describe two habits that can you move toward achieving your goals.