The human bladder
Chapter 1
Anatomy of a biological balloon
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Chapter 2
The brain and bladder connection
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Chapter 3
History and science of urology
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Chapter 4
Hydration and bladder health
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YOUR GOAL
Master of The human bladder
Ch 2 · The brain and bladder connection
teacher Brain says wait, brain says wait! Hold it in till the time is right, brain says wait!
Fun Fact
Nervous system: The brain receives bladder signals via nerves traveling at speeds up to 250 miles per hour.
Glossary
micturition (noun)
The act or process of urinating. The pontine micturition center in the brainstem coordinates this process by sending signals to bladder muscles.
The act or process of urinating. The pontine micturition center in the brainstem coordinates this process by sending signals to bladder muscles.
Quiz
Why did evolutionary scientists believe 'fear urination' occurred in early mammals?
Quiz
At what volume does the bladder usually start sending 'full' signals to the human brain?
Quiz
Which part of the brain acts as the 'executive veto' to decide if it is appropriate to urinate?
Quiz
What division of the nervous system triggers sudden urgency when a person is nervous or scared?
Quiz
Where is the pontine micturition center, which coordinates urination, located in the human body?
Quiz
Which specific receptors in the bladder wall detect stretching as it fills with urine?