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Mitochondria are the site of aerobic respiration where ATP

The body must maintain an internal temperature of 37 degrees as this is the optimum temperature for body’s enzymes. When the body gets too hot the body responds in multiple ways: • The body releases sweat...

Animals living in harsh environments may have adaptations to help them survive. For example, animals living in hot conditions, like camels, have many features to help them survive. Camels have humps which...

Vaccines contain an inactive form of a pathogen, or dead pathogen, and are injected into the body to give immunity to that pathogen. The inactive pathogen acts as an antigen, stimulating an immune respons...

Inside the kidneys there are millions of nephrons which filter the blood. They do this by having blood build up a high pressure in the glomerulus (a ball of capillaries) so that the small molecules (e.g. ...