Biology, asked by jaydeepthakur1192, 4 days ago

ii) Amita got cough and cold badly. Her teacher asked her to take rest at home and
use handkerchief while sneezing and coughing.
(a) Why should we keep a handkerchief on nose and mouth while sneezing or
coughing?
(b) What are the different modes of transfer of diseases from infected to healthy person?
person

Answers

Answered by YourHelperAdi
1

a) we should keep a handkerchief on our mouth and nose while sneezing because, when we sneeze , we release sneeze particles , which can make an healthy person sick.

b) different modes of transmission of disease are :

1) through vectors

e.g. mosquito

2) through air

3) through water

4) through physical contact ( direct ) like , handshake, hug, kiss etc.

5) through physical contact (indirect) like, sharing of clothes, toughing their personals etc .

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