Brain and nerves

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How does our sense of taste work?

What we refer to as “taste” is basically a bundle of different sensations. It is not only the taste sensations perceived by the tongue. The smell, te...

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How does the ear work?

The ear picks up sound waves and transforms them into electrical signals which travel along nerves to the brain. The signals are interpreted by the b...

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How does the eye work?

Vision is the result of a complex process. For our brain to be able to create an image of our surroundings, the eye needs to convert light into elect...

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How do common types of headaches differ?

There are various types of headaches that have no specific cause. The most common of these are tension headaches, migraines and cluster headaches.

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How does the nervous system work?

The nervous system is made up of all the nerve cells in your body. It takes in information through our senses, processes the information and triggers...

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How does the brain work?

The brain works like a big computer. It processes information that it receives from the senses and body, and sends messages back to the body. But the...

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