2006-12-16 22:52:18 · 6 answers · asked by Anonymous in Health ➔ Diseases & Conditions ➔ Respiratory Diseases
Because our bodys need oxygen to survive.
2006-12-16 22:54:38 · answer #1 · answered by firefly 5 · 0⤊ 0⤋
Well.....people breathe so that we can take in oxygen, which blood needs to flow all around our body,and we do so that we can be rid of carbon dioxide, which our lungs and people don't need. Every living things breathe, because without air our life can be in jeopardy.
2006-12-16 22:57:35 · answer #2 · answered by Micz 1 · 0⤊ 0⤋
1. I don't know. I wish some people wouldn't. 2. Blood needs oxygen to continue delivering nutrients to cells at the molecular level. When those cells fail to be nourished, they die.
2006-12-16 22:55:54 · answer #3 · answered by gabound75 5 · 0⤊ 0⤋
take in oxygen needed for respiration and breaking down of energy in the mitochondria of mitotic cells in exchange to the release of carbon dioxide and water so we can stay alive
2006-12-16 22:54:33 · answer #4 · answered by MrSmarT 3 · 0⤊ 0⤋
so they can livethats how people live.
2006-12-16 22:53:55 · answer #5 · answered by Anonymous · 0⤊ 0⤋
ignorance
2006-12-16 22:56:13 · answer #6 · answered by chi 4 · 0⤊ 0⤋