The word cardio refers to _________.

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asked Jul 28, 2021 143k views

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Dwane · Answer 1 · 2021-07-29T23:09:55+0000

Answer: Physical exercise

Explanation: Cardio refers to why physical exercise which improves the rate at which a human heart performs its duties.

Jennell · Answer 2 · 2021-08-02T14:28:32+0000

Answer:

Cardio- is a combining form used like a prefix meaning “heart.” It is used in many medical and scientific terms. Cardio- comes from the Greek kardía, meaning “heart.” In fact, the English word heart and the Greek kardía are related. Learn more at our entry for heart.

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The word cardio refers to _________.

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