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Bio 102/ Schwartz > Digestive System > Flashcards

Digestive System Flashcards

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Biology 101 flashcards
1
Q

How many teeth does the human adult have?

A

32

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2
Q

How many teeth does the human baby have?

A

20

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3
Q

What is the function for molars? And how many are there?

A

Mashing and grinding; 12

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4
Q

What is the function for canine? And how many are there?

A

Tearing; 4

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5
Q

What is the function of the premolars? And many are there?

A

Mashing and tearing; 8

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6
Q

What is the function of the incisors? And how many are there?

A

Cutting; 8

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7
Q

What is the crown?

A

Above gumline

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8
Q

What is the root?

A

Below gumline

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9
Q

What is the enamel made of?

A

Hard calcium

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10
Q

What is the pulp?

A

Marrow-like tissue

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11
Q

What is the root canal?

A

Nerves & blood vessels

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12
Q

What is the hard palate for?

A

Mashing food

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13
Q

What is the soft palate for?

A

Assist in swallowing

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14
Q

What is the significance of the mastication?

A

To increase the surface area to volume ratio.

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15
Q

What are three types of salivary glands?

A
  • Parotids
  • Sublingual
  • Submandibular
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16
Q

What is the purpose of saliva?

A
  • Moisture

- Contains enzyme amylase for starch digestion

17
Q

What is the involuntary smooth muscle contractions that transport food through the digestive tract?

A

Peristalsis

18
Q

What are the three stages of swallowing?

A
  • Voluntary stage
  • Pharyngeal Stage
  • Esophageal Stage
19
Q

What are the parotids?

A

Largest cheeks

20
Q

What is the sublingual?

A

Under front of tongue

21
Q

What is the submandibular?

A

Under back of tongue

22
Q

What stage of swallowing involves the bolus moved to the back of the mouth by the tongue?

A

Voluntary Stage

23
Q

What stage of swallowing involves the trachea closed by epiglottis and food enters esophagus?

A

Pharyngeal Stage

24
Q

What stage of swallowing involved the peristalsis moves bolus through cardiac sphincter into the stomach?

A

Esophageal Stage

25
Q

What are the folds in lining in the stomach called?

A

Rugae

26
Q

What is the inner layer of the stomach that works as digestive enzymes?

A

Mucosa

Bio 102/ Schwartz (7 decks)

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