Inhaling
When your breathe in oxygen it passes into your blood.The blood then carries the oxygen from your lungs to all your cells.
When your inhale this is the percentage of all the things you breathe in ...
- your oxygen is 21%
- carbon dioxide is 0.03%
- nitrogen 79%
- water vapour variable level
Exhaling
Your cells make carbon dioxide during respiraton. Your blood carries the carbon dioxide from your cells to the lungs .Carbon dioxide leaves your blood in the lungs and is breathed out.
When you exhale the percentage of all the things you breathe in is ...
- Your oxygen is 16%
- carbon dioxide is 4%
- nitrogen 79%
- water vapour is high level
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