BiSci #4 (Exam 2) Flashcards Preview

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Flashcards in BiSci #4 (Exam 2) Deck (12):
1

pathway that food follows

1. mouth (oral/nose)
2. pharynx
3. esophagus
4. stomach
5. small intestine
6. large intestine
7. rectum
8. anus

2

mechanical digestion

chewing of food, churning action of the stomach, and segmentation of the small intestine

3

chemical digestion

action of enzymes on foods

4

3 pairs of salivary glands

secrete salivary amylase that begins the process of digesting starch

5

tongue

mixes chewed food with saliva and forms bolus

6

uvula

slows down food

7

pharynx

passageway behind the uvula for air, liquids, and food
-swallowing reflex begins here
-epiglottis covers opening of the trachea when swallowing

8

esophagus

passes thru the diaphragm to join the pharynx to the stomach

9

peristalsis

rhythmic contractions that move food along the esophagus to the stomach

10

sphincters

circular muscles that control the entrance and exit of materials to and from the stomach

11

acid reflux

heartburn occurs when the chyme comes up into the esophagus and produces a burning sensation

12

chyme

whats coming out of the stomach