Fill in the blanks.
(a) ____ disease continues for many days and causes ____ on body.
(b) ____ disease continues for a few days and causes no longer term effect on body.
(c) ____ is defined as physical, mental and social well-being and comfort.
(d) Common cold is ____ disease.
(e) Many skin diseases are caused by ____.

AcademicBiologyNCERTClass 9

Fill in the blanks.

(a) The chronic disease continues for many days and causes long-term effects on the body.

(b) The acute disease continues for a few days and causes no longer-term effect on the body.

(c) Health is defined as physical, mental, and social well-being and comfort.

(d) Common cold is a viral disease.

(e) Many skin diseases are caused by fungi.


[Explanation:

Chronic diseases last for longer periods of time and affect complete body parts in a definite time span. It can cause poor health that recovers after a huge time period.


A complete state of physical, mental, and social of a human is defined as health; whereas a complete state of physical, mental, and social well-being is defined as good health.

For good health,

(i) Healthy physical, mental and social well-being.

(ii) Hygienic and clean surroundings and environment are required.

We should cover our nose and mouth with a handkerchief while sneezing and coughing to avoid spreading flu germs. As the flu virus is a communicable disease, it is passed from one person to the other through fluids from mouth and nose secretions because when we cough and sneeze, those droplets go into the air.

The disease gets transferred from an infected person to a healthy person by direct contact through fluids from mouth and nose secretions because when we cough and sneeze, those droplets go into the air.]

raja
Updated on 10-Oct-2022 13:32:10

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