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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
Is your gut your second brain?
The gut has its own nervous system, houses trillions of microorganisms and mirrors your emotions.
Skip next section Stories by Jörg Gero Grüner
Stories by Jörg Gero Grüner
What does the bladder actually do?
What does the bladder actually do?
The bladder’s job is simple – to collect urine. But what causes incontinence and bladder infections?
What does the spleen do?
What does the spleen do?
The spleen is part of the immune system and removes old blood cells, bacteria, and tumor cells out of the blood.
The heart – a super organ
The heart – a super organ
How does the heart work? Our super organ explained simply!
A day in the life of your brain
A day in the life of your brain
Your brain has about 170 billion worker-cells — and they stay busy around the clock.
Sexual organs – the minor differences
Sexual organs – the minor differences
The penis and glans start out the same as the labia and clitoris. How our sex organs develop and influence our bodies.
What our noses do
What our noses do
Along with letting us smell things, noses filter out foreign particles and are part of the immune system.
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