Question

what happens if platelets are not present in the blood​

Answer 1

Answer:

 in the he absence of platelets, capillaries become more fragile, permitting spontaneous loss of blood and increasing the tendency to form bruises after minor injury. Platelets immediately aggregate at the site of injury of a blood vessel, tending to seal the aperture

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Answer 2

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The platelets in blood helps to form a clot on the wound to stop bleeding. So if there are no platelets in blood then the blood won't clot and the bleeding won't stop.

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