Digestion

Question 1

Mechanical Digestion

Answer 1

breaking down large food particles into smaller food particles

Question 2

Chemical Digestion

Answer 2

chemical reactions that break down into usable molecules

Question 3

Ingestion

Answer 3

introduction of food into the stomach

Question 4

Mastication

Answer 4

chewing

Question 5

Propulsion

Answer 5

movement/transportation of food throughout the body

Question 6

Deglutition

Answer 6

swallowing

Question 7

Peristalsis

Answer 7

moves material through digestive tract

Question 8

Mixing

Answer 8

segmental contraction that occurs in small intestine

Question 9

Secretion

Answer 9

lubricate, liquefy, digest

Question 10

Digestion

Answer 10

mechanical (physical) & chemical (reactions)

Question 11

Absorption

Answer 11

bringing usable molecules into the bloodstream

Question 12

Elimination/Defaction

Answer 12

waste products removed from the body

Question 13

Mucosa

Answer 13

innermost layer of tissue, mucus membrane

Question 14

Submucosa

Answer 14

vascular, holds mucosa in place

Question 15

Muscularis

Answer 15

thickest; smooth muscle to move food

Question 16

Serosa

Answer 16

outermost layer continuous with the mesentery

Question 17

Uvula

Answer 17

prevents food from entering the nasal cavity when swallowing

Question 18

Teeth

Answer 18

aid in mastication; chewing

Question 19

Cardia

Answer 19

surrounds superior opening of stomach

Question 20

Fundus

Answer 20

above and to the left of the cardia

Question 21

Body

Answer 21

main portion of the stomach

Question 22

Cardiac Sphincter

Answer 22

regulates food/chyme in the stomach

Question 23

Pyloric Sphincter

Answer 23

regulates food/chyme into the small intestine

Question 24

Rugae

Answer 24

large folds in the stomach that help increase surface area

Question 25

Pancreas

Answer 25

secretes enzymes to aid digestion into small intestine

Question 26

Sodium Bicarbonate

Answer 26

makes chyme alkaline; neutralizes stomach acid

Question 27

Liver

Answer 27

largest GLAND of the body; produces bile

Question 28

Liver functions

Answer 28

produces bile; carbohydrate metabolism; lipid metabolism; protein metabolism; removal of drugs & hormones; stores vitamins; activates vitamin D

Question 29

Gall Bladder

Answer 29

stores bile; can live without

Question 30

What type of digestion occurs in the mouth, describe each

Answer 30

Oral cavity-> mechanical. Teeth, cheeks, tongue | Chemical-> salivary glands

Question 31

What is a bolus

Answer 31

Tongue shapes chewed food into a ball

Question 32

What are the 4 parts of the stomach

Answer 32

Body, cardia, furdas, pyloris

Question 33

What is chyme

Answer 33

Stomach acid and partially digested food

Question 34

What is bile

Answer 34

Secreted by liver, aid in emylsification (breaks down fats)