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Megan is at the Doctor. She is going to learn about her Digestive and Excretory systems!
Your teeth chew up food and then it goes down the esophagus. The esophagus connects your mouth to your stomach
The stomach, a sack that holds the food you eat, mixes and dissolves your food so it can liver. The liver prepares to go through the small intestine, and the pancreas also does this.
Small intestine: skinny and long Large intestine: fat and short
The small intestine breaks the food down even more! This helps it go through the blood. If the food can fit through the small intestine, it goes through the big intestine, where the water is absorbed.
Kidneys Ureter Bladder Sphincters Urethra
The Kidneys, two important organs, filter the waste in blood from cells. It then sends urine, or the waste, through the ureters, tubes that go between the bladder and kidneys. The bladder, a balloon-like organ, holds the urine. The sphincters allow urine in and out of the bladder, and when opened, the urine travels through the urethra.
Now you are ready to use the bathroom!
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