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ArteriesArteries carry blood away from the heart. They have a thick muscular wall with a small lumen. The thick muscular walls withstands the high pressure of the blood flowing fr...
The easiest way of remembering the stages of Mitosis (which is when a divides) is by using a mnemonic that will help you remember, with a one word description of each phase to help you remember what happe...
When an action potential arrives at the junction, the depolarisation causes voltage-gated calcium channels to open resulting in the influx of calcium ions in to the pre-synaptic neurone. This triggers the...
The alveoli have a number of adaptations for effective gaseous exchange. Firstly, they have a very large surface area to volume ratio; the combined surface area of the alveoli is approxim...
ATP (adenosine triphosphate) is the energy-carrying molecule used in cells. It is produced by mitochondria during aerobic respiration via the tricarboxylic acid (TCA) cycle. Additionally, it is also produ...
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