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Jörg Gero Grüner
Health topics, simply explained and animated.
Skip next section Featured stories by Jörg Gero Grüner
Featured stories by Jörg Gero Grüner
How does the skin work?
Our skin isn't just a shell for the body – it's a living organ that performs lots of vital functions.
Skip next section Stories by Jörg Gero Grüner
Stories by Jörg Gero Grüner
The tongue — what's it doing in your mouth?
The tongue — what's it doing in your mouth?
We use our tongue to speak, eat and taste our food. But how does it work, and what exactly does it do all day?
How does our lymphatic system function?
How does our lymphatic system function?
The lymphatic system is indispensable to our immune system and also cleans up between our cells.
What is the larynx — and how does it work?
What is the larynx — and how does it work?
The larynx is a valve in your throat — and the secret behind the power and personality of your voice.
How do our nervous systems work?
How do our nervous systems work?
Why do we have so many nervous systems? When do the sympathetic and parasympathetic systems kick in?
How do our joints work?
How do our joints work?
Joints keep us flexible, but to work properly they need to be well-lubricated with synovial fluid.
Is the spine a faulty construction?
Is the spine a faulty construction?
The spine supports your body, is extremely flexible, and protects the spinal cord - but it's also prone to pain.
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