Might seem like a silly question, but I’m not sure of the specifics on how a drink goes from your throat to your bladder.
Doesn’t the liquid go to your stomach along with the food you eat? Does it get evaporated by the acid or something? Does it go from your esophagus to your stomach to your intestines then bladder?
Or is urine not even partially the liquid we drink, but the end result of whatever liquids your body produced/was left with after digesting your drink, like how shit is what’s left and stored in the rectum (anus?) before expulsions?
This is just something that the specifics of which have been bothering me for over a handful of months lol. Would definitely appreciate an answer, but also semi-interested in a little more detail too if anyone would like to indulge that.
Thank you!!
In: Biology
To ELI5: it’s a big roller coaster ride, more or less. The coaster leaves the station (the glass) into a dark cavern (your mouth) and then plunging straight down that first thrill hill called your esophagus.
The riders get a moment’s rest as they swirl around another cavern called the stomach. Soon, though, the ride continues down the next hill, the duodenum, toward the crazy twisty back and forth section of the small intestines.
Along this bit of track, the passengers (water) get sent off into a bunch of side tracks as they pass into the bloodstream. It’s like every car in the coaster splits off in a different direction!
The heart pumps – I can hear it making that clankety-clank sound – as it pulls the coaster cars as far as the top of the head before they scream back down under the force of gravity.
The tracks rejoin and the coaster comes back together as a pair of trains as the blood is filtered into the kidneys through the renal arteries.
The coaster makes a jarring turn as the liquid gets ripped out of the bloodstream and into the beginning of the ending thrills: the ureters.
Zooming out of the ureters the coaster gives the riders one last sense of false security with a pause in the last big room of the dark ride, the bladder. Just as the coaster comes back together in one train again, the ride ends with a bang as the liquids come flying out the urethra to end the ride.
You get flushed down the toilet in the end, but at least the lines to get in the ride aren’t that long. Maybe it’s more like the log flume…
It gets absorbed in your large intestine, and then it’s used to dispose of urea that’s been filtered from your blood by your kidneys, then you urinate
I know, ELI5, but there are entire college classes on this.
Basic pathway for water: mouth, esophagus, absorbed in digestive system (lots in colon), fluid goes to the blood, kidneys filter blood with salts and junk and a lot of water, then through the ureter to bladder them through the urethra and out.
Nutrients are largely broken down and absorbed in the digestive tract, but some pass through without being absorbed.
Feces is a lot of plant material and fiber and water and junk that couldn’t be absorbed. Some nutrients too, and bacteria.
Same path as food. Mouth, throat, stomach, small intestine, large intestine. It’s absorbed a little bit in each place into the bloodstream, which brings it to the kidneys. Kidneys take water and dissolved solids, and through the loop of henle takes most of the water out, leaving a thick sludge of solutes, and then depending on how hydrated you are adds the water back in, diluting it. The more water to dissolve it, the clearer it is, which is why when you’re hydrated it’s clear pee, because your body can let go of that extra water to dilute the sludge. Then it goes to your bladder where it’s held until you’re ready to go pee
The liquids you take in do indeed go into your stomach, then into your intestines. During these steps, they are absorbed into your bloodstream and distributed throughout your body to the cells that need them. One way that the water you drink is used is as a way to dilute and eliminate toxic wastes that your body makes (like urea and ammonia). Your blood carries that water and toxic waste to the kidneys, where it’s filtered out, and stored in the bladder until you pee. Other wastes, like alcohol and sugar etc. from what you drank, are also eliminated this way. But technically, the water in your pee has done a lot of work from the time you drink it to the time you pee it.
Liquids go into your stomach, and then on into your intestines along with food you eat.
From there, it’s absorbed into your bloodstream through the intestines, just like food.
Urine is mostly the water we drink, plus additional byproducts of metabolism that your kidneys filter out.
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