Digestive System

Question 0

Pharynx

Answer 0

Throat- opens into trachea and esophagus-food enters pharynx and swallowing reflex is triggered

Question 1

Mouth

Answer 1

Ingest and mechanically break down food-starch with salivary amylase-saliva lubricates and starts digesting food

Question 2

Epiglottis

Answer 2

Blocks trachea opening

Question 3

Esophagus

Answer 3

Muscular tube that conveys food to the stomach- peristalsis: wavelike involuntary muscle contradictions squeeze food through alimentary canal to stomach

Question 4

Stomach

Answer 4

Chemical and mechanical digestion-proteins are chemically digested by pepsin-food is turned into thin soupy liquid-lined with mucus to prevent ulcers

Question 5

Liver

Answer 5

Produces bile(imulsifying agent, not enzyme)- turning large fat globules into tiny droplets

Question 6

Gall bladder

Answer 6

Stores/holds bile

Question 7

Small intestine

Answer 7

Secretes enzymes to finish chemical digestion-all absorption of nutrients occur here-contains villi that increase surface area for absorption

Question 8

Large intestine

Answer 8

Reabsorption of water-ecoli(bacteria producing vitamin K)-diarrhea(not enough water absorption)-constipation(too much water absorption)

Question 9

Pancreas

Answer 9

Secretes juices for chemical digestion

Question 10

Salivary glands

Answer 10

Produce saliva- produce amylase to break down starch

Question 11

Rectum

Answer 11

Accumulates feces to be let out through the anus

Question 12

Anus

Answer 12

Let’s out feces accumulated in the rectum