20.9%
When you inhale you breath in oxygen
Oxygen
when lungs inhale oxygen what doesit exhale as waste
Why do we all inhale oxygen.. every single animal in the world needs oxygen. Fish too
Yes humans inhale oxygen but exhale carbon dioxide.
Like all animals, they inhale oxygen and exhale carbon dioxide.
when lungs inhale oxygen what does it exhale as waste
Oxygen
Yes, all animals inhale oxygen. Parrots breathe through their nostrils as opposed to their mouths.
When cats yawn they inhale a large amount of oxygen.
inhale oxygen
21% of the air we inhale is oxygen