Question

why do we fall ill?
BEST ANS TO MARK AS BRAINLIST​

Answer 1

Answer:

Whenever the normal working of our body system gets disturbed, we feel sick. Infectious diseases are caused by pathogens such as bacteria, viruses, fungi and parasites entering the body through the air we breathe, the food and drink we consume or through openings in the skin, such as cuts.

Explanation:

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Answer 2

Answer:

the organisms that enter our body and cause the disease is called immediate cause. For example, virus, bacteria, protozoa etc. surroundings, contaminated food, improper nourishment, poverty, poor standard of living etc. Diseases may be due to infectious and non-infectious causes.

Explanation:

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