Q. What are the functions of the heart?

Doctor Answer is medically reviewed by SecondMedic medical review team.

Answered by Secondmedic Expert

The heart's main function is to pump blood around the body. It does this by contracting and relaxing in a regular rhythm. The heart also helps to regulate blood pressure and control the flow of blood through the body.

The heart is made up of cardiac muscle tissue, which is a type of muscle that contracts in a regular rhythm. This means that the heart can beat on its own without any outside stimulation. The pacemaker of the heart is a group of cells in the right atrium (upper chamber) that sets the rhythm for the heartbeat.

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