as much or less then she brethed in
Approximately 78 of the air we breathe is nitrogen.
Because your body is warm, so Body Heat causes this.
Dolphins are mammals. They breathe air with lungs, pretty much just like you and I. They can't breathe water. When they dive they hold their breath.
On average, humans breathe out about 3.5% of nitrogen in exhaled air, which is roughly 78% of the air we breathe in. This nitrogen is not utilized by the body and is simply exhaled back into the atmosphere.
air pollution, when an individual breathe in too much contaminated air it may lead to Asthma
Typically, the air you breathe is comprised of 18 to 21 percent Oxygen.
No
They breathe air with lungs.
They do breathe air.
Breathe out when drinking
The air we breathe is composed of approximately 78% nitrogen. This nitrogen is vital for many biological processes, but is generally inert and does not react with other components in the air.
Air you breathe out is denser than helium. This is because exhaled air contains a higher concentration of carbon dioxide and water vapor, which are denser than the gases in the atmosphere. Helium is much lighter than air and tends to rise up.