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How are the lungs made healthier during cardiovascular exercise?

A.) They grow in size.

B.) The muscles around them are strengthened.

C.) They make more ATP energy.

D.) All of the above

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FamousJay
the answer to this question is:

How are the lungs made healthier during cardiovascular exercise?
B-"The muscles around them are strengthened."

Hoped This helped,  Shliluv
Your Welcome :) 
simrahali15

Answer:

B. The muscles around them are strengthened.

Explanation:

Cardiovascular exercise improves muscles. Whether its muscles strength, magnitude, or size. Lungs are not muscles, they are an organ. So we can't literally "develop" the lungs, but we can strengthen and develop the muscles around the lungs.

I hope this helps :)

- Simrah