Over 99 percent of calcium in the body is found within the a. bones and teeth b. stomach and small intestine c. liver and spleen d. muscles and skin

scientists have discovered that hiv does not cause aids by the virus's direct effect on the host's immune cells, but rather through the cells' lethal influence on one another. researchers from the gladstone institutes have revealed that hiv does not cause aids by the virus's

it should be briana that has it to me

answer; both surfaces of the membrane are nonpermeable