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Red blood cells transport oxygen from the lungs to all the cells in the body. To do so effectively, they have lots of adaptations: Red blood cells contai...

Having a definitive, consistently-argued view is one of the most important features of a good history essay. However, a good essay will also consider other perspectives. Rather than viewing the task of ba...

Curved surfaces, providing a large surface areaThin, providing a short diffusion distance

Starting to write a medical personal statement can be tricky. Some students find it especially hard trying to get a good balance between highlighting their skills and experiences whilst also explaining wh...

Power is the RATE of work done or energy transferred.
By the Law of Conservation of Energy, energy cannot be created or destroyed, only converted from one form to another. Power is the rate at which ...