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The blood vessels dilate and widen, which means that the blood flows closer to the surface of the skin, so more heat is able to be released, which cools the overall body temperature.

Carbon dioxide diffuses into the cell leaf through the stomata, and diffuses into the water surrounding the mesophyll cell walls (main site of photosynthesis-packed with many chloroplasts). From here, the...

Homeostasis is the maintaining of a constant internal environment to allow for healthy functioning of the body. Three examples would be the control of water levels in the kidney via ADH, control of temper...

Compartmentalisation - as different organelle's different metabolic reaction require different optimum environments such as pH and temperature. Site of chemical reactions such as photosynthesis or respira...

When an action potential is transmitted from one neurone to another it has to be sent across a small gap - called the synapse. Firstly, the action potent...