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First, we need to explain how the action potential is conducted along the length of the axon.
An action potential is transferred along an axon by the movement of Na+...
When there is an excess of glucose in the blood (as there would be after eating a meal), the increase in blood glucose concentration is detected by the beta cells of the islets...
Osmosis is the movement of solvent particles (usually referring to water) from an area of low concentration (i.e. lots of water particles) to and area of high concentration (i.e. less water particles a...
It is the kidneys job to filter the blood and remove waste products.
The kidneys are made of functional units call nephrons of which there around a million per human kidney. In the renal ...
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