Term for Identification: Song Dynasty

question 55

Short Answer

Term for identification: Song Dynasty

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Definitions:

HIV

Human Immunodeficiency Virus, a virus that attacks the immune system, leading to AIDS if not treated.

AIDS

Acquired Immunodeficiency Syndrome, a life-threatening condition caused by the human immunodeficiency virus (HIV) which severely damages the immune system.

Coronary Heart Disease

A condition characterized by the narrowing of the coronary arteries, leading to decreased blood flow to the heart muscle.

Blood Vessels

Tubular structures carrying blood through the tissues and organs; a vital component of the circulatory system.