This has to do with chemistry.
O2 is also known as oxygen, because there are two oxygen atoms bound together to make the oxygen molecule.
CO2 is carbon dioxide, because there is 1 carbon atom bound together with 2 oxygen atoms to make the molecule.
They can be.
H20, C02, and 02
oxygen(02) and carbon dioxide(C02)
it opens to let C02 in and opens to let 02 out
because the potassium inside it mixed with the c02 creates a chemical reaction
Madras Medical College was created on 1835-02-02.
oxygen and nutrients
02+glucose=c02+h2o+energy yeh the city of Portsmouth boys school rocks arse
Medical terms used by the medical profession in caring for patients.
In medical terms, stool means feces.
Inspiration in medical terms means inhaling.
Occult means hidden in medical terms.