It delivers oxygen and glucose to the tissues for respiration, which is the release of energy to cells. This video is about how arteries carry blood away from the heart. Find out more about GCSE ...

Both need water and air. We often think of animals using oxygen and glucose for cellular respiration and producing carbon dioxide. Similarly, we might think of plants using carbon dioxide and sunlight ...

NGSS Performance Expectation: HS-LS1-7: Use a model to illustrate that cellular respiration is a chemical process whereby the bonds of food molecules and oxygen molecules are broken and the bonds in ...

The proton gradients that power respiration are as universal as the ... so Mitchell's proton gradients enable cellular metabolism to transcend chemistry. The use of proton gradients gives an ...