What is the function of the heart?

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Study for the AAMI Certified Associate in Biomedical Technology Exam. Study with flashcards and multiple choice questions, each question has hints and explanations. Get ready for your exam!

Multiple Choice

What is the function of the heart?

Explanation:
The essential idea is that the heart functions as a muscular pump that moves blood through the body. It contracts in a coordinated rhythm to create the pressure needed to push blood first to the lungs for oxygenation and then to the rest of the body to deliver oxygen and nutrients and remove waste. Valves ensure one-way flow and the heart’s electrical system times the contractions so the heart beats in a synchronized rhythm. This pumping action is the key role of the heart, whereas filtering waste, regulating body temperature, or storing oxygen are handled by other organs or systems.

The essential idea is that the heart functions as a muscular pump that moves blood through the body. It contracts in a coordinated rhythm to create the pressure needed to push blood first to the lungs for oxygenation and then to the rest of the body to deliver oxygen and nutrients and remove waste. Valves ensure one-way flow and the heart’s electrical system times the contractions so the heart beats in a synchronized rhythm. This pumping action is the key role of the heart, whereas filtering waste, regulating body temperature, or storing oxygen are handled by other organs or systems.

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