Oxygen makes up about 21% of the air we breathe.
21%
Oxygen makes up approximately 21% of the air we breathe.
Oxygen makes up about 21% of the air we breathe. The majority of the air is composed of nitrogen (about 78%).
On average, humans breathe in about 21% oxygen from the air.
A patient breathing room air should be receiving approximately 21% oxygen. This is the normal oxygen concentration present in the air we breathe.
21%
Oxygen makes up approximately 21% of the air we breathe.
Oxygen makes up about 21% of the air we breathe. The majority of the air is composed of nitrogen (about 78%).
Oxygen is approximately 21% of the air we breathe.
21%
Oxygen composes of twenty-one percent of Earth's Atmosphere.
The reason you cant breathe under water is because people is made to breathe oxygen, water composes oxygen.
mainly nitrogen (approximately 78 percent) and oxygen (approximately 21 percent) there are approximately 1 percent other gases, which includes carbon dioxide at 0.04 percent (aprrox.)
On average, humans breathe in about 21% oxygen from the air.
Typically, the air you breathe is comprised of 18 to 21 percent Oxygen.
Oxygen
A patient breathing room air should be receiving approximately 21% oxygen. This is the normal oxygen concentration present in the air we breathe.