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Subject :NSO    Class : Class 8

Select the incorrect statement from the following.

AArteries carry oxygenated blood.
BVeins have valves to prevent backflow of blood.
CBlood helps in regulating body temperature.
DPlatelets destroy the germs which have entered the body and help to fight infection.

what is the actual function of platelets?

Ans 1:

Class : Class 8

Ans 2:

Class : Class 8
Platelets are tiny blood vessels that helps our body form clots to stop bleeding. Their absence can cause a death a person due to severe blood loss.

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