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Anatomy > Digestive System Part 1 > Flashcards

Digestive System Part 1 Flashcards

1
Q

Name the 5 functions of the digestive system

A
  1. Ingest Food
  2. Break Large Particles into smaller ones
  3. Secrete enzymes that decompose food molecules
  4. Absorb products from above functions
  5. Eliminate unused residues
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2
Q

What is another name for the digestive tract

A

Alimentary Canal

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3
Q

How long is the alimentary canal

A

9 meters

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4
Q

List the 6 organs of the digestive tract

A
  1. Mouth
  2. Pharynx
  3. Esophagus
  4. Stomach
  5. Small intestine
  6. Large intestine
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5
Q

How many layers does the alimentary canal or digestive tract consist of

A

4

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6
Q

Name the 4 layers that make up the alimentary canal/digestive tract

A
  1. mucous membrane
  2. submucosa
  3. muscular
  4. serous or serosa
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7
Q

Name the 2 types of movement in the digestive tract

A
  1. mixing

2. propelling

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8
Q

What is the other name for propelling movements

A

peristalsis

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9
Q

what type of contractions make up the mixing movement

A

rhythmic

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10
Q

what type of motion make up the propelling movements

A

wavelike

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11
Q

What is the function of the accessory organs

A

release secretions into the canal

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12
Q

What are the four organs of the accessory organs

A
  1. salivary glands
  2. liver
  3. gall bladder
  4. pancreas
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13
Q

What is the function of the mouth

A

receive and prepare food for digestion

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14
Q

what 4 things is the mouth surrounded by?

A
  1. lips
  2. cheeks
  3. tongue
  4. palate
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15
Q

What is the chamber between the tongue and palate

A

oral cavity

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16
Q

What is the narrow space between the teeth, cheeks and lips

A

vestibule

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17
Q

What type of tissue lines the cheeks?

A

epithelial tissue

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18
Q

Why are the lips red

A

there is an abundance of red blood cells near the surface

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19
Q

what is the membranous fold of the tongue called

A

frenulum

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20
Q

what type of muscle makes up the tongue

A

skeletal muscle

21
Q

what does the tongue aid in

A

mixing and moving food

22
Q

what are the rough projections on the tongue that provide friction?

A

papillae

23
Q

the root of the tongue is anchored to what

A

hyoid bone

24
Q

there are two parts to the palate, name them

A
  1. hard (anterior part)

2. soft (posterior part)

25
Q

what is the purpose of the uvula in the palate

A

block of nasal cavity when swallowing

26
Q

Name the three sets of tonsils

A
  • lingual
  • palatine
  • pharyngeal
27
Q

Which of the three tonsils is a common site for infection

A

palatine

28
Q

which tonsil helps protect against infection

A

lymphatic

29
Q

How many different sets of teeth does one develop

A

two

30
Q

What are the two other names for the first set of teeth developed

A

primary and decidous

31
Q

How many teeth make up the first set

A

20

32
Q

When do the first set of teeth appear

A

6 months- 2.5 years

33
Q

In what order do the first set of teeth shed

A

in the same as they appear

34
Q

What is reabsorbed from the first set to push out the second set of teeth

A

roots

35
Q

what are the two other names for the second set of teeth

A

secondary or permanent

36
Q

How many teeth make up the second set

A

32

37
Q

When do the second set of teeth come in

A

age six until 3rd molars come in at age 17-25

38
Q

What are the front 4 top and bottom teeth called

A

incisors

39
Q

what re the cone shaped teeth beside the incisors

A

cuspids or canine teeth

40
Q

what is another name for the 3rd molars

A

wisdom teeth

41
Q

what is the hardest substance in the body

A

white enamel

42
Q

what is the part of the tooth that shows

A

crown

43
Q

where do the crown and root of a tooth meet

A

neck of the tooth

44
Q

what are the teeth anchored to

A

alveolar bone

45
Q

what covers the crown of the teeth

A

white enamel

46
Q

What makes up the bulk of the tooth

A

dentin

47
Q

what does the pulp cavity contain

A

blood vessels, nerves, connective tissue

48
Q

what is the bonelike material that encloses the root called

A

cementum

49
Q

what surrounds the cementum

A

periodontal ligament

Anatomy (8 decks)

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