Digestive System Flashcards Preview

Biology 102 > Digestive System > Flashcards

Flashcards in Digestive System Deck (49)
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1

What are the 12 teeth used for mashing and grinding?

Molars

2

What are the 8 teeth used for mashing and tearing?

Premolars

3

What are the 4 teeth used for tearing?

Canines

4

What are the 8 teeth used for cutting?

Insisors

5

How many total teeth do adults have?

32

6

How many baby teeth do we have?

20

7

Where is the crown located?

Above the gumline

8

Where is the root located?

Below the gumline

9

What is enamel made out of?

calicum

10

What is dentin?

soft bone

11

What is pulp?

Marrow-like structure

12

What does the root canal hold?

nerves and blood vessels

13

What is the hard palate used for?

Mashing food

14

What is the soft palate used for?

swallowing

15

What are the two functions of the tongue?

Taste
Creating food boluses

16

What are the 5 basic taste sensations?

Sour, Sweet, Salty, Bitter, umami

17

What do the salivary glands do?

Contains enzyme amalyse for starch digestion

18

What are the 3 salivary glands?

Parotid, sublinguial, Submandibular

19

What are the three stages of swallowing?

Voluntary, pharyngeal, and esophageal

20

What is peristalsis?

Involuntary movement of the smooth muscle which moves food through the digestive system

21

What are rugae?

Folds in stomach

22

What is contained on the inner layer of the stomach?

Mucosa-digestive enzymes

23

What is located in the middle layer of the stomach?

Sub-mucosal blood vessels

24

Where is the pyloric sphincter?

Between the stomach and small intestine

25

What organ filters the blood, removing toxins and ammonia?

Liver

26

What does the liver store?

vitamins and glycogen

27

How does the liver relate to the gall bladder?

Secretes bile to gall bladder

28

What does bile do?

Emulsifies fats in duodenum

29

What is the accepted age of the earth?

4.5 billion years

30

What does the liver do in regards to substances?

Turns hydrophobic substances to hydrophilic substances