Small Intestine Flashcards
What is another name for the small intestine?
Small bowel
How long is the small intestine?
15 - 18 feet
Where is digestion completed?
In the first third of the small intestine
What is the small intestine lined with?
Intestinal glands
What do intestinal glands produce?
Intestinal juice
What is intestinal juice made of?
97% water and 3% enzymes
How many enzymes are in intestinal juice?
3
What are the enzymes in intestinal juice?
- Intestinal amylase
- Intestinal lipase
- Intestinal trypsin
What does intestinal amylase do?
Completes the digestion of starch/carbohydrates
What does intestinal lipase do?
Completes the digestion of lipids
What does intestinal trypsin do?
Completes the digestion of proteins
What is villi?
Hairs that you would see if you cut open the small intestine after its first third?
What does villi do?
Absorbs glucose and amino acids and distributes nutrients to the rest of the body
How does villi increase its surface area?
It is curly
What are lacteal?
Microscopic blood vessels
