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When an action potential reaches the end of one neurone, it cannot simply move to the next one as there is a gap (the synapse or synaptic cleft) between the two neurones. Instead, when th...

There are two types of cell called Eukaryotic cells and Prokaryotic cells. Eukaryotes are organisms made up of eukaryotic cells which include animals, plants and fungi (you can remember this as YOU are a ...

The heart made up of four chambers; two atria at the top and two ventricles at the bottom. There are effectively two pumps. The pump on the right side of the heart sends blood to the lungs to be oxygenate...

The imperfect tense is used to express the idea that something is happened continuously in the past. It translates in English as "I was X-ing".
To form the imperfect tense, you take the pre...

Gravitational Potential Energy is the work done in moving a mass from infinity to a point in a gravitational field. On the other hand, Gravitational Field Strength is the force exerted per unit mass on a ...