BIGWEENERJOE
Storyboard Text
- Mouth
- Rectum
- Stomach
- Esophagus
- Anus
- Large intestine
- Small intestine
- Hello, my name is Timmy and today we’ll be shrinking down to learn about our digestive system! Your digestive system helps you digest food and liquids and also absorbs valuable nutrients that your body uses for energy, growth, and tissue repair. It also excretes waste or indigestible substances.
- Your mouth is the beginning of your digestive system. As you smell or see a dish, your salivary glands begin to create saliva before you even eat your food. As you chew, your saliva mixes with the food and makes a soft lump called a bolus. The saliva also assists in breaking down food.
- ZOOM
- The bolus then travels down a long skinny tube called the esophagus. The esophagus has muscular walls that push the food down to the stomach. The next process in the digestive system.
- Once in the stomach, hormones direct the stomach walls to release acid that breaks down the food into a liquid called chyme.( a pulpy acidic fluid ). The hormones then tell the liver, gallbladder, and pancreas to make bile. Bile aids with digestion.
- As the chyme moves into the small intestine, bile held within the gallbladder is then released and breaks down fat. Tiny projections called villi (Tiny hair like projections) absorb the nutrients and molecules from the chyme and leave leftover fiber, dead cells, and water to enter the large intestine.
- As leftover fiber, water, and dead cells enter the large intestine. The Large intestine drains most of the remaining fluids through its intestinal walls and leaves a soft mass called stool, which can also be called poop.
- Adios muchachos!
- The large intestine then deposits the stool in a small pouch called the sigmoid colon , where it is held until it leaves the body through the rectum and anus. This entire process takes 30-40 hours . Hopefully you enjoyed this trip through the digestive system as it comes to an end.
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