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NCERT Exemplar Solutions Class 9 Science Solutions for Why Do We Fall ill ? - Exercise in Chapter 13 - Why Do We Fall ill ?
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Why is the immune system essential for our health?
Answer:
The immune system is the defense line of our bodies. The immune system comprise of different kind of cells that kills the infecting microorganism. When a pathogen enters our body our immune system sends immune cells to fight and kill pathogens. If our immune system clears the disease-causing pathogens we stay healthy. If our immune system fails to clear pathogen we encounter the disease. In order to be a healthy immune system is essential.
Video transcript
"hello everyone welcome to leader
learning
i'm good prate your science tutor
today's question is
why is the immune system essential
for our health so here we have to
specify some reasons
why immune system is essential for our
health the first reason is
immune system
is a defense line
of our body
okay and immune system
comprise of
different
kind of cells
that kills the
infecting
microorganisms
when any pathogen
enters our body
these cells get activated
and save us
from disease causing
pathogens by
destroying them so this is why
our immune system is essential for our
good health
if immune system is good then we are
healthy
and if our immune system is weak then we
can
suffer from disease diseases very
frequently
for more such videos please subscribe
leader learning
and for any doubts drop a comment thank
you
"
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