BETA
Chapter 1
Anatomy of a biological balloon
Chapter 2
The brain and bladder connection
Chapter 3
History and science of urology
Chapter 4
Hydration and bladder health
YOUR GOAL
Master of The human bladder
Ch 2 · The brain and bladder connection
artiteacher Connect signals between brain and bladder to discover how your body stores and releases urine.
artiteacher The brain and bladder connection
Brain says wait, brain says wait! Hold it in till the time is right, brain says wait!
artiteacher Stress and anxiety trigger the sympathetic nervous system, causing sudden bladder urgency.
artiteacher The prefrontal cortex acts as the ultimate decision-maker, overriding automatic reflexes until a bathroom is found.
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?
Quiz
Which hormone reduces urine production at night to help humans sleep uninterrupted?