first so you wont die and the cells need to to function properly
I believe all organs (including the heart) require oxygen.
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a-plus answer: standard metabolic equivalent Aerobics, Aerobic capacity is defined as the maximum amount of oxygen the body can us during a specified period of time. So it would Be Aerobics.
Oxygen and water.
Digoxin makes your body to work more in a given amount of oxygen or it make your heart use less oxygen for given amount of work.
oxygen
Oxygen?
oxygen is required by our body. Plants breathe out Oxygen.
Smoking increases the amount of Carbon Monoxide in your body and you have a small amount of Oxygen in your body, so not enough of Oxygen goes to your brain and organs and you have less energy.
All the cells in your body require oxygen
the amount of blood and oxygen in your body
because the level of oxygen in the air is so low, the body would need to breath more often to be able to absorb the same amount of oxygen it would at a lower altitude. So, breathing rate would increase. also the heart rate would increase.