Question

what do u mean by heart beat or a heart?​

Answer 1

Answer:

the pulsation of the heart.

1a : a hollow muscular organ of vertebrate animals that by its rhythmic contraction acts as a force pump maintaining the circulation of the blood could feel her heart pounding. b : a structure in an invertebrate animal functionally analogous to the vertebrate heart. c : breast, bosom placed his hand on his heart.

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Explanation:

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Answer 2

question ☯️

explain heart ?

✡️Answer ✡️

The functions of the heart are to pump oxygenated blood around the body, and to deliver deoxygenated blood and waste products (carbon dioxide) to the lungs. The heart consists of four chambers, each separated by valves that only permit blood to flow in one direction.