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kids learning tube - human body /bladder song /human body systems lyrics

[chorus]
i’m a muscular sac, i’m called your bladder!
i carry urine from your body
straight down into the potty
i’m a muscular sac, i’m called your bladder!
your kidneys make your water waste
and it’s stored in just one place

[verse 1]
your bladder is the size of a pear when empty
and is made of all the parts that you’re about to see
here’s a picture of the bladders anatomy
located in the anterior pelvis i be
the peritoneum covers the upper posterior surface
it’s the serous membrane and i’m glad you’re learning all this
the ureters bring urine waste from the kidneys
smooth muscles move it down using peristalsis you see
urine enters the bladder through your ureteral openings
and fills the bladder up like a leaky ground spring
the detrusor muscle controls the bladder’s fluid flow
lined with inner mucosa in+cased in outer membrane though
the urethral sphincter allows all the waste urine
into the urethra where urination does begin
the external urethral sphincter is what you control
to allow the amount of urine you put in the toilet bowl
[chorus]
i’m a muscular sac, i’m called your bladder!
i carry urine from your body
straight down into the potty
i’m a muscular sac, i’m called your bladder!
your kidneys make your water waste
and it’s stored in just one place

[verse 2]
your kidneys filter all the blood in your body
if you want to learn more, watch my video on kidneys
when water waste separates from the kidneys it will exit
your ureters start the process of peristalsis
this process moves the urine to where it should be stored
to the bladder’s where it’s headed, i hope you’re not bored
when the urine reaches your ureteral opening
the detrusor muscle relaxes while the bladder’s filling
when your bladder is full, it stretches its walls
and stretch receptors tell your brain the urine must fall
the brain tells the detrusor muscle to contract
while the internal urethral sphincter opens, that’s a fact
the external urethral sphincter relaxes as well
and the urine exits your body, making you feel swell!

- kids learning tube lyrics

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