Digestive System Part 1 Flashcards
Name the 5 functions of the digestive system
- Ingest Food
- Break Large Particles into smaller ones
- Secrete enzymes that decompose food molecules
- Absorb products from above functions
- Eliminate unused residues
What is another name for the digestive tract
Alimentary Canal
How long is the alimentary canal
9 meters
List the 6 organs of the digestive tract
- Mouth
- Pharynx
- Esophagus
- Stomach
- Small intestine
- Large intestine
How many layers does the alimentary canal or digestive tract consist of
4
Name the 4 layers that make up the alimentary canal/digestive tract
- mucous membrane
- submucosa
- muscular
- serous or serosa
Name the 2 types of movement in the digestive tract
- mixing
2. propelling
What is the other name for propelling movements
peristalsis
what type of contractions make up the mixing movement
rhythmic
what type of motion make up the propelling movements
wavelike
What is the function of the accessory organs
release secretions into the canal
What are the four organs of the accessory organs
- salivary glands
- liver
- gall bladder
- pancreas
What is the function of the mouth
receive and prepare food for digestion
what 4 things is the mouth surrounded by?
- lips
- cheeks
- tongue
- palate
What is the chamber between the tongue and palate
oral cavity
What is the narrow space between the teeth, cheeks and lips
vestibule
What type of tissue lines the cheeks?
epithelial tissue
Why are the lips red
there is an abundance of red blood cells near the surface
what is the membranous fold of the tongue called
frenulum