Most living organisms need oxygen for aerobic respiration.
A bacterium that needs oxygen is called an aerobic bacterium
It's not really the blood that needs the oxygen. All the living tissues in our bodies needs a steady supply of oxygen, and the blood is what carries that oxygen around and delivers it where it needs to go.
oxygen
nothing non- living needs oxygen to live
needs
fire needs oxygen to burn, because fire is a chemical reaction that needs oxygen. the fire triangle is what fire needs to burn and is this- heat, fuel, and oxygen.
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.
Oxygen. Without oxygen, you are in the Anerobic cycle.
Every cell in your body needs oxygen.
A fire needs oxygen to burn.
oxygen
there is no oxygen on the moon, therefore, a fire could not start because in the fire triangle, (the materials needed to start a fire) the fire needs oxygen, which the moon does not have, fuel, and heat.