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
