The answer is D, because HIV is not AIDS, but can lead to it. HIV is passed through bodily fluids, not one-on-one contact. HIV targets Helper T cells, and it can be up to years for a significant amount of Helper T cell count is lost, becoming AIDS, a life threatening disease.
Answer:
Periosteum, dense fibrous membrane covering the surfaces of bones, consisting of an outer fibrous layer and an inner cellular layer (cambium). The outer layer is composed mostly of collagen and contains nerve fibres that cause pain when the tissue is damaged.
Answer:
its called systolic heart faliure or heart faliure with reduced ejection fraction
Answer: d.) The element is named after the Latin word for calcium.
Explanation:
