<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:
The mucosa, or mucous membrane layer.
Explanation:
It is the innermost tunic of the wall. It lines the lumen of the digestive tract. The mucosa consists of epithelium, an underlying loose connective tissue layer called lamina propria, and a thin layer of smooth muscle called the muscularis mucosa.
Hope I helped! :)
The answer is A) preventive :)
Heart beat that is too slow
Explanation:
Bradycardia is a slower than normal heart rate.
Waterborne<span> diseases are conditions caused by </span>pathogenic<span> micro-organisms that are </span>transmitted<span> in water, the d</span>isease can<span> be spread while bathing, washing or drinking water, or by eating food exposed </span>to <span>infected water</span>
