The Digestive System Flashcards
How do nutrients get from the small intestine into the bloodstream?
It diffuses through the small intestine wall
In humans, what is the digestive tract made of?
The mouth, esophagus, stomach, small intestine, large intestine, and anus
What are the accessory organs of the digestive system?
The gallbladder, pancreas, and liver
What are the muscles in the esophagus called?
Smooth muscle tissue
What are the nerves in the stomach for?
Telling us when we’ve had enough to eat
What are the two functions of mucus?
- Protecting the digestive tube from digestive enzymes
- Allowing material to pass smoothly along the tube
What are the two ways the mouth breaks down food?
Mechanically with the teeth and tongue, and chemically with chemicals called enzymes that break apart the molecules of foo
What do goblet cells do?
Secrete mucus
What do the liver, pancreas, and the gallbladder provide to help with the digestion of food?
Enzymes
What does bile help with?
The breakdown of fats in our food
What does insulin do?
It regulates the concentration of glucose in the body
What does the digestive system do?
It takes in food, digests it, and excretes the remaining waste
What enzyme does the pancreas produce?
Insulin
What fluid does the liver produce?
Bile
What happens with the remaining solid matter?
It is excreted as feces from the anus