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It is important that you maintain a healthy weight both for your overall health and so that your respiratory system can:

A.
deliver oxygen more adequately.

B.
pump blood more forcefully from the heart.

C.
keep capillaries constricted.

D.
allow for smaller amounts of air to enter your lungs.

Respuesta :

Answer:

b

Explanation:

because if you  weigh so much it will  stop from the pumping fast than slow so the   answer will be b

sorry if it is  wrong

Jessie9009
A. You can breathe better and when at a non healthy weight, your body works harder to deliver necessary oxygen