Answer:
Nervous system
Explanation:
The system the brain is in.
<u>Answer:</u>
The Acquired Immune Deficiency Syndrome (AIDS) was clinically identified as a fatal disease in 198.1 decade.
<u>Explanation: </u>
AIDS which is a pandemic globally, is caused by a communicable virus called Human Immunodeficiency (HIV) Virus. In US, the first five cases were clinically exposed on 5th June, 1981. HIV majorly spreads from one to the other through three routes namely sexual contact, transmission through body fluids or from mother to fetus via pregnancy/ delivery/ breast-feeding. Vaccines that offer partial protection exists but there is no permanent cure for this disease.
Answer: All are correct except smoking.
Explanation: Cigarettes contain carcinogens which can greatly INCREASE the risk of heart disease, heart attack, and stroke.
However, a healthy diet and regularly exercising will reduce the risk.