Plants create Oxygen, but Oxygen is a natural element.
Hydra cells get oxygen through diffusion.
Oxygen is needed for respiration. This is how all our cells release energy. All the body cells and white blood cells therefore need oxygen. Red blood cells don't use oxygen, they undergo anaerobic respiration, but they transport the oxygen needed by other cells.
lungs
Spacecrafts need internal oxygen supplies because there is no oxygen in space.
Your blood supplies many important things to your cells. Mainly it supplies oxygen and nutrients, such as glucose.
answer
Blood carries nutrients e.g. glucose and oxygen to cells
Your lungs and the red blood cells within your blood.
It supplies Oxygen to the cells and tissues and excrete Carbondioxide from them
The lungs supplies the bloodstream with oxygen. When we breathe in, out lungs fill with oxygen and that oxygen is taken to the heart to keep our body going.
Breathing Supplies Your Cells With The Oxygen They Need.
Because food is a source of energy and it also supplies cells with oxygen
The Heart
they supply oxygen to red blood cells, which in turn supplies oxygen to your muscles and brain...which are required to live.
The Lungs
The lungs