Functions of the GI Tract

Question 1

disassembly line

Answer 1

GI Tract

Question 2

taking in food through the mouth

Answer 2

Ingestion

Question 3

physical breakdown of solid foods

Answer 3

mechanical digestion

Question 4

masses of food are broken into smaller parts

Answer 4

mechanical digestion

Question 5

tongue and teeth physically break down food

Answer 5

mechanical digestion

Question 6

stomach mixes the food

Answer 6

mechanical digestion

Question 7

small intestine also physically breaks down food when the secretion of bile emulsifies or breaks up fat globules into smaller droplets

Answer 7

mechanical digestion

Question 8

swallowing and peristalsis

Answer 8

propulsion (motility)

Question 9

release of hormones and enzymes

Answer 9

secretion

Question 10

chemical breakdown of food by enzymes into smaller components that can be absorbed by the epithelium of the digestive tract

Answer 10

chemical digestion

Question 11

release of water, acids, enzymes, and buffers by the digestive tract and by the accessory organs into the lumen of the digestive tract

Answer 11

secretion

Question 12

movement of small organic molecules, electrolytes, vitamins, and water across the digestive epithelium and into the blood and lymph

Answer 12

absorption

Question 13

removal of waste products which are first compacted and then discharged during defacation

Answer 13

excretion (defecation)

Question 14

what are the functions of the GI tract?

Answer 14

Ingestion
mechanical digestion
propulsion (motility)
secretion
chemical digestion
secretion
absorption
excretion