Biology, asked by gunjan010773p2afz3, 1 year ago

Mention different causes of diseases.

Subject - Biology
Chapter - Why Do We Fall ill ?
Class - 9th

Hint for the answer - Cause - immediate and contributing

Answers

Answered by dipikasharma684
7
nfectious diseases can be caused by:

Bacteria. These one-cell organisms are responsible for illnesses such as strep throat, urinary tract infections and tuberculosis.Viruses. Even smaller than bacteria, viruses cause a multitude of diseases — ranging from the common cold to AIDS.

Hepatitis B. According to current statistics, hepatitis B is the most common infectious disease in the world, affecting some 2 billion people -- that's more than one-quarter of the world's population. ...
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