Answer:
White blood cells are an important part of the immune system. HIV infects and destroys certain white blood cells called CD4+ cells. If too many CD4+ cells are destroyed, the body can no longer defend itself against infection. The last stage of HIV infection is AIDS (acquired immunodeficiency syndrome).
Explanation:
You can drive, Uber, call another unintoxicated friend
cardiotonic is a drug or substance having a tonic effect on heart.
That statement is true
According to national institute of Aging, population aging is likely to influence the pattern of health care spending. The older a person is, the more concern and problems they have regarding their health, which cause an increase in their healthcare spending