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The clotting of blood is to
(a) Slow down the movement of blood inside the blood vessel.
(b) trap oxygen inside the blood so that it may be transported more easily.
(c) seal up wounds to avoid loss of blood
(d) all the above are correct
Correct Answer: (c) seal up wounds to avoid loss of blood
Explanation:
Blood does not clot inside the body due to the presence of anticoagulant heparin.
As soon as any injury takes place externally over the body, the clotting agents like thrombin, fibrinogen, vitamin K helps in the clotting of blood and prevent blood loss externally over the body.
The function of the platelets in the blood is the clotting of blood. They contain certain chemicals like heparin which help in the coagulation of blood at the site of a cut or wound.
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