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To answer this we can start by breaking down the phrase itself.

So, 'myo' always means muscle. 'Cardial' means of the heart. So myocardial infarction means infarction of the heart muscle....

1. Arteries have thick, elastic, muscular walls whereas veins have thin walls with few elastic fibres. Arteries need these properties to give them the strength and elasticity needed to cope with the hi...

A carbohydrate is a long molecule made up of lots of individual units called monosaccharides. These units are sugars, including glucose, fructose and lactose.

When two of these units are ...

Diffusion is the movement of particles from an area of high concentration to low concentration (down a concentration gradient). This occurs because the particles move randomly, and eventually end up ev...

A concentration gradient occurs when you have a solute, like salt, dissolved in a solution, like water. Most of the time there won't be the same amount of salt through out all of the water - there will...