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The action potential lies at the heart of how we think, move and sense, as it constitutes the language of the nervous system. The two main characters in the spectacle of the action potential are potassium io...

blood sugar concentration is controlled through a negative feedback loop*. When blood glucose concentration is high, insulin made in the pancreas is released into the bloodstream. Glucose is taken into cells...

When B-lymphocytes are stimulated by antigens, they first divide by mitosis to form clones, some of which become plasma cells that secrete antibodies, others become memory B-cells which can be stimulated at ...

Phagocytosis is when a white blood cell - or "phagocyte" - engulfs a pathogen that has entered the body and has made it past the body's physical barrier defences.The phagocyte first locates the pat...

i. Osmosis involves the transport of water only whereas Active Transport involves the transport of molecules/ionsii. Osmosis involves the transport along the concentration gradient whereas Active transport i...