1.

Assertion Systemic blood circulation occurs in human beings. Reason The main purpose of this circulation is to carry oxygen and nutrietns to the body tissues and to remove `CO_(2)` and other wastes from the tissues.A. Both Assertion and Reason are true and Reason is the correct explanation of Assertion.B. Both Assertion and Reason are true, but Reason is not the correct explanation of AssertionC. Assertion is true, but Reason is falseD. Assertion is false, but Reason in true.

Answer» Correct Answer - A
Systemic circulation means the flow of blood the left ventricle of heart to all parts of body and return of blood to right auricle of heart. It includes all the oxygenated blood that leaves the left ventricle through the aorta and the deoxynated blood that returns to the right auricle through the superior vena cava and inferior vena cava. The main purpose of this circulation is to carry oxygen and nutrients to body tissues and to remove `CO_(2)` and other wastes from the tissues.


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