Hemoglobin molecules inside red blood cells have a very strong binding affinity for oxygen. So when blood cells enter capillaries of the lung hemoglobin specifically binds the oxygen present.
No part of the human body is made up of oxygen, we breathe in oxygen and breathe out carbon dioxide, oxygen does not stay in our bodies.
You don't use all of it but you do use a lot of it i am not 100% certain how much you use though
During exercise, your body uses energy. This process requires oxygen. So, if you exercise you pant, or breathe harder, in order for your body to draw in more oxygen.
Asphyxia is a condition of severely deficient supply of oxygen to the body that arises from being unable to breathe normally.
Lungs
Air is mainly a mix of oxygen and nitrogen. Oxygen is the part your body uses- the good stuff.
You breathe in the oxygen from your nose and mouth and when you breathe out,it's carbon dioxide.
so you can breathe
oxygen. You breathe out carbon dioxide and you breathe in oxygen it is all oxygen in you body its hoe it comes out
They breathe in, then they breathe out, which supplies there body with oxygen and eliminates CO2.
Bodies don't produce oxygen. we breathe it in.
oxygen
It makes possible for mammals to breathe.
By the blood circulation.
Carbon Dioxide and unused Oxygen.
Your body absorbs some of the oxygen out of air in your lungs
....the air? As you breathe in, you breathe in oxygen, and it travels down your trachea, where it branches off into your left and right bronchus, and then goes into your bronchials.