Which describes how physical activity benefits the cardiovascular system?

Function. Physical Activity Strengthens Your Heart and Improves Lung function

Explanation:This improves the  heart's ability to pump blood to your lungs and throughout your body. As a result, more blood flows to your muscles, and oxygen levels in your blood will rise.

my questions are always answered on spot you know whats the

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also, if your question is unclear, lacks information, nobody gonna answer.

people prefer multiple choice the best, its easy and quick when multiple choices questions. if you have long sentence questions on stories, essay, etc., then you have to at least give them as much points as possible.

it kinda like bounty , the question with most reward prize and the easiest to pull off will get

hope this

just saying your question will get reported and deleted an my answer too

it'll be alright, just keep on going and keep your head up!