Digestive System Part 1

Question 1

Name the 5 functions of the digestive system

Answer 1

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

Question 2

What is another name for the digestive tract

Answer 2

Alimentary Canal

Question 3

How long is the alimentary canal

Answer 3

9 meters

Question 4

List the 6 organs of the digestive tract

Answer 4

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

Question 5

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

Answer 5

4

Question 6

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

Answer 6

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

Question 7

Name the 2 types of movement in the digestive tract

Answer 7

1. mixing

2. propelling

Question 8

What is the other name for propelling movements

Answer 8

peristalsis

Question 9

what type of contractions make up the mixing movement

Answer 9

rhythmic

Question 10

what type of motion make up the propelling movements

Answer 10

wavelike

Question 11

What is the function of the accessory organs

Answer 11

release secretions into the canal

Question 12

What are the four organs of the accessory organs

Answer 12

1. salivary glands
2. liver
3. gall bladder
4. pancreas

Question 13

What is the function of the mouth

Answer 13

receive and prepare food for digestion

Question 14

what 4 things is the mouth surrounded by?

Answer 14

1. lips
2. cheeks
3. tongue
4. palate

Question 15

What is the chamber between the tongue and palate

Answer 15

oral cavity

Question 16

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

Answer 16

vestibule

Question 17

What type of tissue lines the cheeks?

Answer 17

epithelial tissue

Question 18

Why are the lips red

Answer 18

there is an abundance of red blood cells near the surface

Question 19

what is the membranous fold of the tongue called

Answer 19

frenulum

Question 20

what type of muscle makes up the tongue

Answer 20

skeletal muscle

Question 21

what does the tongue aid in

Answer 21

mixing and moving food

Question 22

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

Answer 22

papillae

Question 23

the root of the tongue is anchored to what

Answer 23

hyoid bone

Question 24

there are two parts to the palate, name them

Answer 24

1. hard (anterior part)

2. soft (posterior part)

Question 25

what is the purpose of the uvula in the palate

Answer 25

block of nasal cavity when swallowing

Question 26

Name the three sets of tonsils

Answer 26

- lingual - palatine - pharyngeal

Question 27

Which of the three tonsils is a common site for infection

Answer 27

palatine

Question 28

which tonsil helps protect against infection

Answer 28

lymphatic

Question 29

How many different sets of teeth does one develop

Answer 29

two

Question 30

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

Answer 30

primary and decidous

Question 31

How many teeth make up the first set

Answer 31

20

Question 32

When do the first set of teeth appear

Answer 32

6 months- 2.5 years

Question 33

In what order do the first set of teeth shed

Answer 33

in the same as they appear

Question 34

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

Answer 34

roots

Question 35

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

Answer 35

secondary or permanent

Question 36

How many teeth make up the second set

Answer 36

32

Question 37

When do the second set of teeth come in

Answer 37

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

Question 38

What are the front 4 top and bottom teeth called

Answer 38

incisors

Question 39

what re the cone shaped teeth beside the incisors

Answer 39

cuspids or canine teeth

Question 40

what is another name for the 3rd molars

Answer 40

wisdom teeth

Question 41

what is the hardest substance in the body

Answer 41

white enamel

Question 42

what is the part of the tooth that shows

Answer 42

crown

Question 43

where do the crown and root of a tooth meet

Answer 43

neck of the tooth

Question 44

what are the teeth anchored to

Answer 44

alveolar bone

Question 45

what covers the crown of the teeth

Answer 45

white enamel

Question 46

What makes up the bulk of the tooth

Answer 46

dentin

Question 47

what does the pulp cavity contain

Answer 47

blood vessels, nerves, connective tissue

Question 48

what is the bonelike material that encloses the root called

Answer 48

cementum

Question 49

what surrounds the cementum

Answer 49

periodontal ligament