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Answer 1

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Answer 2

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Pulse

the regular beating in your body as blood is pushed around it by your heart. You can feel your pulse at your wrist, neck, etc.

Blood transfusion

Blood transfusion is the process of transferring blood products into one's circulation intravenously. Transfusions are used for various medical conditions to replace lost components of the blood.

Double circulation

The human circulatory system is a double circulatory system. It has two separate circuits and blood passes through the heart twice: the pulmonary circuit is between the heart and lungs. the systemic circuit is between the heart and the other organs.

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