your body needs oxygen to produce ATP (energy) and without your cells cannot function and then you would die
It will stop so the body cells would die. that's why we can not live with out oxygen.
When you are tired your body stops taking in enough oxygen, you yawn to compensate. As such when you see others yawn it alerts your body to the need of more oxygen, so you do too.
Haemoglobin carries oxygen around the body, and removes carbon dioxide.
The heart pumps blood all around your body and it picks up oxygen from the lungs to send to numerous cells throughout your body. The oxygen is carried in your blood by red blood cells.
Blood carries oxygen from the lungs/gills to all other parts of the body,
lool well oxygen is pretty much needed for life. oxygen is used for oxidation purposes in our metabolism to synthesise ATP (energy), that's why you breathe it in. Without oxygen, you woudlnt be alive.
It decreases the demand for oxygen by the other organs and tissues.
oxygen is carried in the blood vessels through the blood stream and to the corners of your body. you cannot live without oxygen. that's why it is important
To breath!
Our body needs to get rid of carbon dioxide (a waste) and take in oxygen. We can only do this with help from the pulmonary system.
it is what we breathe.
It Helps You Breath Air, primarily oxygen, goes into your lungs, where hemoglobin (red blood cells) pick it up. These cells carry it throughout the body, where it supplies oxygen to the muscle cells and keeps your body running.