Respiration
From Wikipedia, a free encyclopedia written in simple English for easy reading.
Respriation means more than one thing. When living things respires it is simple breathing in and out. Animals breath in oxygen and breath out carbon dioxide.
Respiration also takes place at a cellular level. In animals and plants, cells take in oxygen from the environment, burn carbohydrates (like sugar) to get energy to obtain energy.
Animals obtain carbohydrates, like sugar, by eating them. Plants can make their own carbohydrates. They get carbon dioxide from the environment and their energy from the sun. Plants store the Sun's energy in carbohydrates like sugar.
- See also: cellular respiration
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