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What are the major organs that make up the digestive system?
Salivary glands, teeth, tongue, gums, esophagus, stomach, small intestine, large intestine, pancreas, liver, gallbladder. They breakdown food so it can be absorbed by the cells of the body. What cannot be digested is eliminated as waste.
How does folding the small intestine help to speed up absorption?
Folding the small intestine into numerous finger-like projections called villi increases the surface area available for absorption. This allows for more contact between nutrients and the absorptive cells, speeding up the process of absorption into the bloodstream. Additionally, the presence of microvilli on the surface of the absorptive cells further enhances absorption efficiency.
How does the small intestine and the stomach work together?
the stomach churns the food making it into smaller particles. also there are enzymes in the stomach that break up protiens and can only survive in stomach acid. they do this so that the food will not burn the small intestine. Bile is released from the liver into the stomach that help to break up fats. as the food passes through the small intestine its nutrients are absorbed by the villi and are taken into the blood stream.
What is inside a villi?
Inside a villi, you can find blood vessels and a lacteal, which is a lymphatic vessel responsible for absorbing fats and fat-soluble vitamins from the small intestine. The villi also contain absorptive cells that help absorb nutrients from digested food into the bloodstream.
What type of dead cells make up a hair?
The dead cells that make up a hair are called keratinocytes.
What are 3 parts of the small intestine?
The small intestine is the part of the gastrointestinal tract between the stomach and large intestine. The three parts that make up the small intestine are the duodenum, the jejunum, and ileum.
Chemical digestion occurs in the small intestine by enzymes from intestinal - brush border cells and the?
These enzymes are anchored into the cells that make up the brush border as integral membrane proteins. These enzymes are found near the transporters that enable absorption of the digested nutrients.
Most intestinal absorption occurs in the?
small intestine, and water absorption occurs in the colon/large intestine
Where does the food that leaves the small intestine end up and how does it get there?
it goes to the large intestine
How long is a koalas small intestine?
The small intestine of a koala is smaller than its caecum, which is up to 2.5m in length and connects the small and large intestines. The small intestine itself is about one metre long.
Does the small intestine break up molecules?
Enzymes in the small intestine can break larger molecules such as proteins into smaller molecules such as amino acids. These enzymes are either produced in the pancreas and taken to the first part of the small intestine by the pancreatic duct or some enzymes may be produced by the lining of the small intestine called the "brush border" in the first part of the small intestine. Large molecules such as proteins or starch need to be broken down to smaller molecules before they can be absorbed into the bloodstream and beusableto the person's body cells.
Which two parts of the alimentary canal make up the small intestine?
The section of the small intestine where nutrients are absorbed are the jejunum and the ileum. Once the digestive process takes place in the small intestine, food particles go to the large intestine.
How is the large intestine different the small intestine?
The large intestines "soaks up" the nutrients and the small intestines packs and stored the waste.
Back up of food from small intestine?
regurgitation
Where are nutrients picked up from in the body?
The small intestine.
What are the ends of small intestines?
The small intestines are connected to the stomach and the large intestine. The spot where the large intestine is connected to the small intestine is called the cecum. A typical colonoscopy will go up to but not beyond the cecum.
Why does blood flow to the intestine?
Small intestine is where the blood picks up nutrients from what has been eaten
