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In order for humans to survive, our bodies have figured out various ways to extract energy from out surroundings.
One of the ways is with food, which provides out cells with raw materials to make, repair and replace out cells as needed.
A different kind of energy we need is that which allows us to make use of these raw materials. The body has figured out a way to extract this from oxygen. When you inhale, the oxygen in the air is absorbed into your bloodstream through tiny sacs in your lungs, called alveoli.
As soon as the oxygen enters your blood, a passing protein molecule called hemoglobin picks it up. Each molecule of hemoglobin can transport four molecules of oxygen to almost anywhere in the body.
The hemoglobin transport the oxygen to your cells where another protein, called cytochrome C oxidase makes two molecules of water out of every molecules of oxygen delivered to it.
If you think about it, water is plentiful on earth. This tells us that if you have the individuals ingredients for water around each other, chances are water will be made. When this happens, there is a little bit of energy released. This protein cytochrome C oxidase, mixes the ingredients for water and harvests the released energy. The cells then use the energy to perform the everyday functions that your body needs.
http://www.pa.msu.edu/sciencet/ask_st/013196.html
They don't. Only respirators require oxygen. Plants don't really need it, although they do take advantage of it when the lights are out. Anerobic bacteria doesn't need it, doesn't use it, and, in fact, will die if oxygen gets at them.
All living things need oxygen to breathe because they need it to burn food and produce energy
Because Oxygen releases energy stored in the foods that carbon based life requires to survive.
yes this is true
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Yes .
Sunlight
All aerobic living things needs oxygen. Anaerobic organisms do nor need oxygen and may be poisoned by it, facilitative organisms can adjust their metabolism to act as either aerobes or anaerobes.
Yes, all living things need oxygen.
All living things need food and water to survive.All living things need food, water, shelter, protection, oxygen/carbon dioxide, and sunlight to survive.water, oxygen
Every living thing needs oxygen.
Yes, because cells are living things and all living things need oxygen to survive.
A living anything needs food and lots of living things need oxygen. So, yes, embryos need food and oxygen too.
oxygen and water.
Water Oxygen Food Shelter
Considering that plants are also living things we all need oxygen, so all living things breath.
oxygen
Oxygen
Living things need water,food,a place to live, and shelter.
Oxygen