gastrointestinal Flashcards
1
Q
What are the 6 stages of digestion?
A
- indigestion
- propulsion
- mechanical digestion
- chemical digestion
- absorbtion
- defaction
2
Q
what are the main roles of digestion?
A
- homeostasis
- a balanced diet
- absorbtion of food molecules and producing energy
- transportation for adminisation for medication
3
Q
what are the chararistics of the Mouth?
A
- this is the oral cavity
- its where ingestion starts
- it has boundaries which are the lips, cheeks and palate
- its lined with sqaumous epithilium for protection
4
Q
What are the responbilities of the Tounge?
A
- occupies the floor of the mouth
- grips and reposisions food
- mixes food with saliva, forming a bolus
- initates swollowing and taste
5
Q
What are 4 funtions of the salivary glands?
A
- cleanses the mouth
- moistens and dissloves food chemicals
- aids in bolus formation
- contains enzymes(amaylse) that breaks down starch
6
Q
How does food travel through the body?
A
- food passes into the oropharnyx and then the larrophranyx
- the epiglotis then closes
- food goes through the osophgus and into the stomach
7
Q
What are 4 funtions of the stomach?
A
- peristalisis
- mechanical breakdown
- digestion
- absorbtion
8
Q
What is the diffrences between the small and large intestine?
A
- the small intestine absorb the nutrients from digested food and the large intestine helps in the absorbion of water and electrolytes and in production of vitamins
