Parts of a
Monogastric
Digestive System
INTRO TO ANIMAL SCIENCE—SWINE UNIT
Mouth
1.
Contains:
1.
2.
Tongue, teeth, salivary glands
Functions:
1.
Assists animal in taking in food, breaks
food down into smaller particles, mixes
with saliva
Esophagus
Passageway between mouth and
stomach
2. Moves food along by series of
voluntary muscle contractions
1.
Stomach
Stores ingested food
2. Muscular movement breaks down
ingested food
3. Secretes digestive juices
1.
Small Intestine
Primary site of digestion and absorption of
carbohydrates, fats and proteins
2. Sections
1.
1.
2.
Duodenum
1.
Receives bile from the gallbladder to help break
fats down into usable forms of energy
2.
Receives enzymes from pancreas to help break
down carbohydrates and proteins
Jejunum and ileum--Active in absorption of
digested nutrients
Large Intestine
1.
2.
Sections
1.
Cecum
2.
Colon
3.
Rectum
Functions
1.
Absorbs water from undigested material
2.
Causes fecal formation
3.
Adds mucus for lubrication of digestive tract
Anus
Final part of digestive tract
2. Passageway for feces to outside of
the body
1.