Correct spelling osteonekrosis

Why is it important to know the difference between stressors we can control and those we can't? a)we can neglect the effects of uncontrollable stressors and focus on the controllable ones. b) it gives us a sense of power to know that we have control over certain stressors. c)it us come up with strategies to reduce the effects of a stressor.

Which hormone controls the production of sperm

Which of the following is a nonspecific defense against pathogens? - b cells - antibodies - t-cells - inflammation