Assertion (A): Blood coagulates in uninjured | vedclass

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(D) The Assertion $(A)$ is incorrect because blood does not coagulate in uninjured blood vessels under normal physiological conditions.The Reason $(R)

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If both the Assertion and Reason are incorrect.

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(D) The Assertion $(A)$ is incorrect because blood does not coagulate in uninjured blood vessels under normal physiological conditions.The Reason $(R)$ is correct because the endothelial lining of blood vessels secretes heparin,which is a natural anticoagulant that prevents the clotting of blood within the circulatory system.Therefore,since the Assertion is false and the Reason is true,the correct option is $(D)$.

Assertion $(A)$: Blood coagulates in uninjured blood vessels.
Reason $(R)$: Uninjured blood vessels release an anticoagulant heparin.

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Assertion $(A)$: Blood coagulates in uninjured blood vessels.Reason $(R)$: Uninjured blood vessels release an anticoagulant heparin.