Which vessel leaves the right ventricle of the heart to take oxygen-poor, dark red blood into pulmonary circulation?.

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People who utilizes the progression principle will ensure their exercise program increases in frequency, intensity, time, and type. the changes need to happen gradually in order to ensure they make gains in their fitness program. a person who doesn't utilize the progression principle can still gain health benefits from exercising, but will not continue to improve in cardiovascular fitness.

Do you have a picture for this question?

You didn't give the options btw