Answer:
<em><u>Everyday functions of the body like digesting your food, moving your muscles or even just thinking, need oxygen. When these processes happen, a gas called carbon dioxide is produced as a waste product. The job of your lungs is to provide your body with oxygen and to get rid of the waste gas, carbon dioxide.</u></em><em><u> </u></em>
Explanation:
<em><u>Hope</u></em><em><u> </u></em><em><u>it helps</u></em><em><u> </u></em><em><u>you</u></em><em><u> </u></em><em><u>✌️</u></em>
Answer:B-10%
Explanation:
Physiologic changes resulting from the normal aging process place older adults at higher risk for adverse effects.
Some processes can't be performed by then, as they are performed in Multicellular organisms like excretion, neural system, hormonal system etc.. otherwise single cell can sustain a life on its own