Digestive System** Flashcards Preview

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Flashcards in Digestive System** Deck (68)
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1

Breaks down starch during mechanical digestion

Amylase

2

Where is amylase found?

Saliva

3

What helps with mechanical digestion?

Teeth

4

Series of muscular contractions

Peristalsis

5

Mixing food with saliva

Bolus

6

Watery mixture of stomach fluids and food

Chyme

7

Kills bacteria and activates pepsin

HCl

8

Helps to break down protein

Pepsin

9

What 2 things does the stomach absorb?

Water and alcohol

10

The stomach is a common site for this disease

Ulcers

11

What are the 3 parts of the small intestine?

Duodenum, jejunum, ileum

12

Finger like projections in the small intestine

Villi

13

Keeps the small intestines together

Mesentary

14

What are the functions of the small intestine?

Chemical digestion and absorption

15

Also known as the colon

Large intestine

16

What are the 4 parts of the colon?

Ascending, traverse, descending, rectal

17

What is the function of the large intestine?

Removal of water form waste material

18

Not enough removal of water from waste

Diarrhea

19

Too much water removed from waste

Constipation

20

What accessory organ produces bile?

Liver

21

What does bile break down?

Fat, carbs, proteins, detoxes alcohol

22

What does the pancreas secrete?

Insulin and pancreatic juices

23

What is the function of the pancreas?

Produce insulin to regulate blood sugar levels, produce pancreatic juices to break down nutrients, produce sodium bicarbonate to neutralize stomach acid

24

Breaking food down into simpler chemicals

Chemical digestion

25

Breaking larger pieces into smaller pieces without changing the chemical composition

Mechanical digestion

26

What are the 4 layers of the alimentary canal?

Mucosa, submucosa, muscular, serosa

27

How many primary teeth are there?

20

28

How many secondary teeth are there?

32

29

What are teeth made of?

Enamel, dentin, pulp, cementum, nerves, blood vessels

30

What is the function of the uvula?

Close off the nasal cavity during swallowing