Pathogens are
a. factors that may eliminate stress.
b. stressors.
c. disease-causing organisms.
d. diseases that predispose people to stress.

Hand washing is an important behavior that can cut down your chances of becoming sick with a communicable disease. select the best answer from the choices provided. t f

Which of the following is not a symptom of chronic fatigue syndrome

Me d: which system contains the heart, blood, and blood vessels? a. muscular b. circulatory c. respiratory d. digestive which system contains the pituitary, adrenal, and thyroid glands? a. respiratory b. circulatory c. endocrine d. reproductive