Gastrointestinal System Flashcards
What do the organs of the digestive system work to do?
- Ingest food
- Transport food
- Digest food into smaller components
- Absorb the necessary nutrients into the bloodstream
- Expel waste products from the body
What are the names for the 2 components of the digestive system?
- Digestive organs
- Accessory digestive organs
The GI tract contains which 6 organs..
- Oral cavity
- Pharynx
- Esophagus
- Stomach
- Small intestine
- Large intestine
What is the role of the accessory organs?
They assist the GI tract in the digestion of food
Name the 6 accessory organs
- Teeth
- Tongue
- Salivary glands
- Liver
- Gall bladder
- Pancreas
What is the role of digestion
To break down large particles of food
How is food propelled down the esophagus
Via peristalsis
What is peristalsis
A series of wave like muscle contractions which move food down the digestive tract
Name 3 functions of the salivary glands
Moisten food
Cleanse the oral cavity
Lubricate food so it is easier to swallow
Begins the chemical breakdown of the food