Which disease reduces bone density and causes the bones to become brittle?
atherosclerosis
diabetes
hypertension
osteoporosis

Describe the potential effects, on people, of unprotected exposure to the sun.give an example of 1 new thing have you learned about the sun’s uv rays.

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

What are 6 levels of organization for anatomy and psychology