because it isn't contaminated with pollution
oxygen helps us to breath us
I think you meant "through the body". if that is so: the heart does, it pumps oxygen poor blood to your lungs. then the blood absorbs the oxygen with the help of diffusion. this is like smoke: smoke doesn't stay together, it goes to places where no smoke is. the same counts for your blood, there is no oxygen in it so the oxygen goes into your veins. then the heart pumps it around the body until the oxygen is used up. the process will start over again.Your heart.
Oxygen is important to human body because it aid in breathing
Oxygen is indispensable for respiration.
Oxygen is important to human body because it aid in breathing
The body needs oxygen to survive, and blood carries oxygen to cells in the body.
oxygen helps us to breath us
it provides oxygen to the body
The organs in the repiratory system, help you breathe. When the oxygen is in the body, the heart pumps it around to help the blood.
the respiratory system brings oxygen into the body
to help give oxygen around the body, get rid of toxins, etc.
carries oxygen and nutrients to the muscles.
they carry oxygen to the rest of our body
With the help of haemoglobin
because it isn't contaminated with pollution
The heart distributed oxygenated blood to the body with the help of Arteries and Arterioles.
Arteries carry the oxygen rich blood to the rest of the body.