Biology, asked by anujrs2004, 1 year ago

State and explain in brief the four major factors, which are the causes of disease.

Answers

Answered by swatisharma28589
98
(a) Infection by micro-organisms (bacteria, virus, fungi, protozoa) and worms; cause communicable diseases.

(b) Malfunctioning of body organs; non-communicable diseases like diabetes and heart diseases are caused by the malfunctioning of pancreas and heart respectively.

(c) Deficiency of one or more nutrients;goitre, marasmus and kwashiorkor are such diseases.

(d) Genetic factors present from the birth of the individual; haemophilia is a genetic disease.
Answered by vidhimamnani02
0

Answer:

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1 A1 B2341 A1 B1 C2 A2 B34 A4 B5 A5 B5 C6 A6 B7 A7 B8 A8 B9 A9 B10 A10 B1112 A12 B13 A13 B14151617 A17 B17 C

Q. 6 B5.0( 1 Vote )

State and explain

Class 9thDr. P.S. Verma & Dr. V.K. Agarwal - Biology5. Why Do We Fall Ill?

Answer

Physical inactivity. - It is one of the main reasons for many diseases

Raised cholesterol. It leads to blocked heart and arteries. It causes damage to cardiac and nervous system

Unhealthy diet - Unhealthy diet leads to malnutrition and excess of nutrition. It damages the body parts and bodily functions

Raised blood glucose. It leads to diabetes and a person has to rely on medicine throughout life.

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