Digestive and Excretory System

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  • First the food goes through the Incisors and is cut by them into chewable pieces. Next molars grind the food After that that the food is swallowed and sent into the esophagus and down into the stomach.
  • In your stomach, the food is digested into chyme, a mixture of acid, protein, and food . Next the chyme will go into the small intestine, but first the liver neutralizes the extra stomach acid that will go into the intestine. The liver also produces bile to break down fats while the pancreas produces enzymes to break down proteins and starches.
  • The Chyme Goes into the intestines, first it goes into the small intestine where the nutrients will be extracted. The villi in the small intestine absorb the nutrients. Next it goes in the large intestine Where extra water and salt will be extracted and it will create poop that will stay in the rectum untill your body gets rid of it.
  • I don't care you need to learn it
  • This is boring
  • This is boring
  • In the excretory system, the blood flows into the kidneys which will take out the waste and get the non-waste back into the bloodstream through reabsorbtion.
  • This is boring
  • BOOOOOO
  • This is boring
  • Inside the kidney, the nephrons filter the urea, a poison, out of the blood. This whole process is filtration, which is the act of filtering. The waste goes down the ureter and into the baldder where the urine is stored. The sphincter keeps the urine in the bladder by holding it closed.
  • Throw food at him!
  • The waste goes down the ureter and into the baldder where the urine is stored. The sphincter keeps the urine in the bladder by holding it closed. When the sphincter opens the urine goes out of your body through the urethra.
  • Great Idea!
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