Digestion (Test 3) Flashcards
1
Q
What are the 4 basic digestive processes?
A
- Digestion
- Motility
- Secretion
- Absorption
2
Q
What is digestion?
A
- The mechanical and chemical breakdown of food
3
Q
What is motility?
A
- The movement of material along the digestive tract
4
Q
- What is secretion?
A
- The release of enzymes into the digestive tract
5
Q
What is absorption?
A
- Active or passive transfer of substances from the lumen of the digestive tract to extracellular fluid
6
Q
What are the three digestive organs that act to provide the correct chemical environment for food breakdown and absorption?
A
- Liver
- Pancreas
- Gallbladder
7
Q
Where does muscularis interna (segmentation) mostly occur?
A
- Small intestine
8
Q
Where does muscularis externa (peristalsis) mostly occur?
A
- Esophagus
- Stomach
- Large intestine
9
Q
What are the digestive system organs?
A
- Mouth
- Salivary glands
- Pharynx
- Esophagus
- Liver
- Gallbladder
- Stomach
- Pancreas
- Small intestine
- Large intestine
- Rectum
- Anus
10
Q
What does the mouth do?
A
- Breaks up food particles
11
Q
What do the salivary glands do?
A
- Saliva moistens and lubricates food
- Amylase digests polysaccharides
- Secretes amylase, lipase, and saliva
12
Q
What does the pharynx do?
A
- Swallows
13
Q
What does the esophagus do?
A
- Transports food
14
Q
What does the liver do?
A
- Breaks down and builds up many bio molecules
- Stores vitamins and iron
- Destroys old blood cells
- Destroys poisons
- Bile aids in digestion
15
Q
What does the gallbladder do?
A
- Stores and concentrates bile