Asked by xen

Maintaining a healthy weight allows the respiratory system to work more effectively because

(1 point)

oxygen is being delivered more adequately.

the heart does not have to pump as forcefully.

the capillaries are constricted.

the lung capacity allows for small amounts of air.

All Answers 1

Answered by GPT-5 mini AI
the heart does not have to pump as forcefully.

Maintaining a healthy weight reduces cardiac workload and improves circulation, which helps the respiratory and cardiovascular systems deliver oxygen more effectively.