It comes from the fluid around your cells, which gets it from your tiny capillary blood vessels, which gets it from your arteries, which gets it from your lungs, which gets oxygen from the air you breath, which gets it from plants and reactions of materials on earth with the sun's powerful emissions which strike the earth.
The energy a body needs comes from the food consumed or eaten.
The energy a body needs comes from the food consumed or eaten.
our body has innumerable cells in it and each cell needs oxygen to create energy and the cells aquire the oxygen from the blood which is rich in oxygen this blood comes to the cells from the aorta ( group of the arteries) if you dont know this you have'nt listened to your Biology teacher !!
In humans, oxygen comes into the body through the lungs and is then transported throughout the body by red blood cells.
The body needs oxygen to survive, and blood carries oxygen to cells in the body.
The air carries oxygen to your body when it is inhaled into your lungs.The blood carries oxygen through you body to the vcells that use it as part of their metabolism.
Every cell in your body needs oxygen.
the human body needs oxygen and other nutrients to survive
So your body gets the oxygen that it needs to survive
Oxygen comes in from the air into your lungs.
The brain needs a lot of oxygen. The air goes in your lungs and the oxygen is carried by the blood straight to the brain. Not enough oxygen to the brain = you die.
It increases because your body needs blood and oxygen pumping around your body more. This is because the muscles in your body have been used more and therefore needs more oxygen