SOLDIERS IN THE BLOOD
Everyday our bodies struggle against
many bacteria, viruses and microbes.
Some are prevented from entering the
body, while some manage to enter. But there are special
defence cells in our bodies to fight against them that are
called immune cells. These cells, which are like soldiers
fighting against the enemy and protecting our bodies
from dangers, move in the bloodstream. Whenever there
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As seen in this
picture, bacteria
or microbes en-
tering the body
are seized , en-
gulfed, and thus
inactivated by
warrior cells
called
macrophages.
blood
vessel
blood
cell
macrophage
bacteria
