2

There are two key types of fibre that build muscle within most organsims, humans included. These are slow twitch fibres and fast twitch fibres; the differences between the two are outlined below.

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How does a Eyebrow Muscle Work? Well we are here to solve the mystery.

10

The world is full of facts and figures, some are important to us while other are just plain interesting. We will probably never know everything, yet it is beneficial and stimulating for us to explore all aspects of this life to get a better understanding of the ifs and whys of our surroundings.

2

A guide to sharks.

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The neuro-musculo-skeletal system provides the support structure for the body; the mechanics for movement in order to stand, sit, run, and carry out everyday activities; and the communications network for controlling this system.