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A Journey through the digestive system
Transcript of A Journey through the digestive system
The Tuna Salad sandwich contains proteins from the salad and tuna, and also some fiber from the bread.
This fruity breakfast smoothie just helps you to balance out everything with very little fat, protein and a little more carbohydrate. After all, it taste fruit-tastic!
I think my meal is quite a balanced diet because it provides a lot of carbohydrates (almost half) and it gives you lots of energy for the day, also not too much calories for a meal, fat and giving some protein from everything but mostly from the sandwich. The fats are mostly coming from the egg and most of the protein is coming from the egg and some from the sandwich. The carbohydrates are coming from mostly the egg and the sandwich. This meal also has a lot of vitamin B12, which is good for your functioning of your brain and nerve system, and Vitamin K, which is needed for blood coagulation and other things in your body.
A serving of egg contains lots of carbohydrates and energy for the day along with some protein and fat.
Step 1: The Mouth
Food goes into the mouth and the most of the food gets broken down with your teeth. The salivary glands produce saliva to help soften it and the amylase in the saliva break down the starch to smaller molecules.
Step 2: The Esophagus
After the food gets chewed and swallowed, it goes into the esophagus. The esophagus is a long tube from the mouth to the stomach. It uses the muscles to form wave like movements to transport the food down. It also enables us to drink or eat whilst we are upside down.
Step 3: The Stomach
The Digestive System
Step 4: The Small Intestine
Step 5: The Large Intestine
The process of digestion in your body
The stomach is a large intestine uses acids and enzymes like hydrochloric acid and pepsin to digest food. It takes all the protein from the food and what is mixed is called chyme
The Small Intestine is a long and small tube that is all squished together. After the food has entered the first part of the small intestines, the duodenum, and it will eventually enter the jejunum and the ileum. As the small intestines is the last part, bile (produced in the liver and stored in the gall bladder), pancreatic enzymes (produced from the enzymes) and other digestive enzymes help break down the leftover of the foods. Cholesterol (fat/lipid) is also produced by the liver and is essential for our body but having too much from foods is also not good. The glucose and other minerals goes straight into the bloodstream as the villi on the walls of the small intestines absorb it straight into the bloodstream.
The leftover food from the small intestines then enters the last part, the large intestines, a big fat tube. The first part of the intestine is cecum, and food then travels up the colon. It then travels across the abdomen in the transverse colon and then down the colon. In the large intestines, water and electrolytes (chemicals like sodium) are removed from the food, turning it into a solid waste, Many microbes such as bacteroides, lactobacillus help the large intestines process the food. After it travels down the colon, and the feces is held in the rectum until it is released via the anus.
What are the minerals and vitamins useful for?
Glucose is the simplest form of carbohydrates, also known as blood sugar. Our body also breaks carbohydrates into glucose for energy. Once the glucose enters the bloodstream, it gets used up almost immediately as all the blood cells immediately start using it up, which is why its not good to eat too much at a time but since starch is a complex carbohydrate with long complex chains of glucose, which are broken down into small glucose molecules therefor not used up immediately.
If you have excess sugar in your body, it is then converted into fatty acids which produce fat. Sugar is a simple form of carbohydrates, along with fructose (sugar from fruits), Lactose (sugar from milk) and sucrose is the sugar you bake with. Fructose and lactose all turn into glucose in digestion.
Protein are long chains of amino acids with twenty different types of amino acids. 11 of them can be produced from our body but 9 of them are found in our food and are essential for our body which can only be found in protein. Amino acids is like the building blocks of all protein in our body such as the hair, muscles, fingernails.
The only minerals that can enter the bloodstream are amino acids, fatty acids, and glucose.
End of the journey
Types of digestions:
Chemical Digestion: The type of digestion when you digest with enzymes and chemicals, where food is broken down into smaller molecules
Physical Digestion: The type of digestion when you use your muscles to digest food and it is broken down small enough to swallow or to break down large amounts of food
I eat this meal everyday, and look at me, I look pretty good... Don't you say?- Potato Head