Air: 78% nitrogen, 21% oxygen, 1% other.
We breathe oxygen and other molecules.
People breathe in oxygen, which is essential for their cells to produce energy. They breathe out carbon dioxide, a waste product created by the body's metabolism.
Why do people breathe ? Plants need oxygen too .
People breathe out because we need to breathe fresh air, and if we kept the same air in our bodies it would not be fresh after a while, and we would die.
Yes.
People breathe in oxygen and breathe out carbon dioxide. Oxygen is necessary for cellular respiration and provides energy to the body, while carbon dioxide is a waste product of this process that is expelled from the body.
Yes, people breathe in a combination of gases including nitrogen, oxygen, carbon dioxide, and others. Nitrogen makes up about 78% of the air we breathe.
That's right, cats breathe with their lungs, just as people do. All mammals use lungs to breathe.
YES!!
PLants help people many ways. they breathe in carbon dioxide, which is what we breathe out. they breathe out oxygen, which is what we breathe in. without plants, we'd die from suffocation.
No because they still have to breathe like others do to.
No
they breathe