The air we breathe is roughly one fifth oxygen and four fifths nitrogen.
There are very small percentages of other gases such as Carbon Dioxide, Neon, Helium, Methane, Krypton, Hydrogen and Xenon.
take place when you inhale and exhale?
take place when you inhale and exhale?
take place when you inhale and exhale?
take place when you inhale and exhale?
take place when you inhale and exhale?
take place when you inhale and exhale?
take place when you inhale and exhale?
take place when you inhale and exhale?
take place when you inhale and exhale?
Inhale.
To take a breath inwards.
When you inhale (take in air when you breathe), you are taking in Oxygen.