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:
Financial performance is a subjective measure of how well a firm can use assets from its primary mode of business and generate revenues. This term is also used as a general measure of a firm's overall financial health<span> over a given period of time, and can be used to compare similar firms across the same industry or to compare industries or </span>sectors<span> in </span>aggregation.<span>
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High heart rate is not a symptom of Anorexia Nervosa.
