The Digestive Sytem Flashcards
0
Q
Describe villi?
A
Found in the small intestines
Have a large surface area
Thin walls
Good blood supply for the efficient absorption of glucose and amino acids
1
Q
How does food move through the digestive system?
A
Through peristalsis
Contracts behind food and relaxes infront
2
Q
What do lacteals do?
A
Absorb fatty acids and glycerol which are the products of fat digestion
3
Q
What is digestion?
A
The break down of large insoluble molecules to small soluble ones
4
Q
Where are the main places of digestive juices in a mammal?
A
Salivary glands, stomach, pancreas, liver and small intestines
