Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Science 7th grade > Digestive System > Flashcards

Digestive System Flashcards

You may prefer our related Brainscape-certified flashcards:
Biology 101 flashcards
1
Q

What is digestion?

A

The process by which food is broken down into small molecules to be absorbed by cells

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What does digestion provide to the body?

A

energy

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Digestion provides materials for what?

A

cell growth and repair

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What are the two types of digestion?

A

mechanical and chemical

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What is mechanical digestion?

A

When food is broken down by physical means

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What is chemical digestion?

A

When molecules are brook down chemically

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What is the alimentary canal?

A

the pathway by which food enters the body and is expelled…a continuous tube from the mouth to the anus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What are the accessory organs that help in digestion?

A

mouth, esophagus, stomach, small intestine, and large intestine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What occurs in the mouth during mechanical digestion?

A

chewing grinds food into smaller particles, increases the surface area, and mixes it with bolus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is mastication?

A

chewing

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What is good about increasing the surface area of food?

A

it allows for enzymes to act on the food

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What is bolus?

A

a ball of food that has been mixed with the liquid of saliva

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What is the job of the tongue?

A

It mixes the food

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What occurs in the mouth during chemical digestion?

A

The salivary glands produce saliva that helps break down the starches into sugars

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What are the salivary glands?

A

3 glands that produce saliva

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What is in saliva?

A

the enzyme salivary amylase

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

What is the job of the enzyme amylase?

A

it helps break down starches into sugar

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

What do enzymes do?

A

They speed up reactions without being changed or used

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

What moistens the food in chemical digestion?

A

water

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

What makes the food easier to swallow during chemical digestion?

A

mucus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

What occurs during swallowing?

A

food moves from the mouth to the esophagus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

What is the job of the epiglottis?

A

It is a flap that covers over the opening to the trachea so food will go down the esophagus to the stomach and not the trachea to the lungs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

What occurs in the esophagus?

A

No digestions occurs here..muscular contractions push the food ball (bolus) down

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

What is peristalsis?

A

When the muscular contractions in the esophagus push the bolus down.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

What occurs in the stomach during mechanical digestion?

A

The churning of the muscular walls mixes the food with digestive juices…the food is changed into a thin, watery liquid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

What is chyme?

A

A thin, watery liquid made in the stomach by the churning of the muscular walls

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

What occurs in the stomach during chemical digestion?

A

cells in the stomach produce gastric juices

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

What are 3 things found in gastric juices?

A

hydrochloric acid, pepsin, and mucus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

What does hydrochloric acid do in chemical digestion?

A

it dissolves minerals and kills bacteria

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

What is pepsin?

A

an enzyme that begins the digestion of proteins

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

What does mucus do?

A

It lubricates food

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

Where does most digestion occur?

A

in the small intestine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

What occurs in the small intestine during chemical digestion?

A

intestinal juices mix with substances from the pancreas and liver to continue digestion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q

Intestinal juices help continue the digestion of what three things?

A

carbohydrates, proteins, and fats

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q

What do carbohydrates turn into?

A

monosaccharides

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
36
Q

What do proteins turn into?

A

amino acids

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
37
Q

What do fats turn into?

A

fatty acids and glycerol

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
38
Q

What organ is the largest organ inside of the body?

A

the liver

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
39
Q

What is produced in the liver?

A

bile

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
40
Q

Where is bile stored?

A

in the gall bladder

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
41
Q

What is the job of bile?

A

it emulsifies (breaks up) fat (mechanical)

42
Q

What is produced in the pancreas?

A

pancreatic juice and insulin

43
Q

What does pancreatic juice do?

A

it contains the enzymes for the digestion of proteins ad carbohydrates

44
Q

What is the job of insulin?

A

it controls the use of sugar

45
Q

Where in the small intestine does absorption take place?

A

in the villi

46
Q

What are the villi?

A

The tiny finger-like projections

47
Q

What is the job of the villi?

A

They increase the surface area so more food can be absorbed faster

48
Q

What happens to all of the undigested substances (water and cellulose) in the small intestine?

A

they continue on to the large intestine

49
Q

What does NOT occur in the large intestine?

A

digestion

50
Q

What is absorbed in the large intestine?

A

most of the water

51
Q

Bacteria in the large intestine makes what?

A

2 B vitamins and vitamin K

52
Q

What happens to materials NOT absorbed in the large intestine?

A

it forms solid waste

53
Q

Where is this solid waste store?

A

in the rectum

54
Q

Solid waste leaves the body through what?

A

the anus

55
Q

What is the main function of the salivary gland?

A

it releases amylase and moistens food into bolus

56
Q

What is the main function of the mouth?

A

mastication and production of amylase

57
Q

What is the main function of the esophagus?

A

peristalsis and NO digestion

58
Q

What is defecation?

A

When waste is released through the anus

59
Q

How does the appendix aid in digestion?

A

It has no digestive function at all

60
Q

What is the main function of the small intestine?

A

absorption takes place in the bloodstream, all nutrients are absorbed

61
Q

What are the main functions of the gall bladder and the liver?

A

emulsifies fats, biles are added to small intestine, no digestion occurs

62
Q

What is the main function of the pancreas?

A

production of insulin and pancreatic fluid

63
Q

What is the main function of the stomach?

A

production of hydrochloric acid, pepsin, and change is produce with mucus

64
Q

How many molars do you have in the upper jaw?

A

6

65
Q

How many premolars are found in the upper jaw?

A

4

66
Q

How many canines are found in the upper jaw?

A

2

67
Q

How many incisors are found in the upper jaw?

A

4

68
Q

How many teeth total are found in the upper jaw?

A

16

69
Q

Which teeth are found in the back of the mouth?

A

molars

70
Q

Which teeth are found in the front of the mouth?

A

incisors

71
Q

What are the two teeth found on either side of the incisors?

A

the canines

72
Q

What teeth are located between the molars and the canines?

A

the premolars

73
Q

In which organ does food spend the LEAST time?

A

the esophagus

74
Q

What type of change occurs in the small intestine?

A

Only chemical

75
Q

What type of change occurs in the stomach

A

Both chemical and physical

76
Q

What type of change occurs in the mouth and salivary glands?

A

Both chemical and physical

77
Q

Are enzymes made or found in the mouth and salivary glands?

A

yes

78
Q

Are enzymes made or found in the stomach?

A

yes

79
Q

Are enzymes made or found in the small intestine?

A

yes

80
Q

Where is hydrochloric acid made?

A

in the stomach

81
Q

What type of food is acted upon in the mouth and salivary glands?

A

carbohydrates

82
Q

What type of food is acted upon in the stomach?

A

carbohydrates

83
Q

What type of food is acted upon in the small intestine?

A

fats, proteins, and carbohydrates

84
Q

What organ makes bile?

A

liver

85
Q

What organ removes water?

A

large intestine

86
Q

What organ stores bile?

A

gall bladder

87
Q

What organ makes enzymes for digestion?

A

pancreas

88
Q

Which two organs does food NOT pass through?

A

liver/gall bladder and pancreas

89
Q

What nutrient is acted upon or digested in the liver/gall bladder?

A

fat

90
Q

What nutrient is acted upon or digested in the pancreas?

A

protein

91
Q

What nutrient is acted upon or digested in the small intestine?

A

all

92
Q

What nutrient is acted upon or digested in the large intestine?

A

None

93
Q

What nutrient is acted upon or digested in the esophagus?

A

none

94
Q

What nutrient is acted upon or digested in the mouth and salivary glands?

A

carbohydrates

95
Q

What is the only organ that digests food?

A

small intestine

96
Q

What are the only organs that absorb water?

A

large intestine and sometimes the stomach

97
Q

What is the enzyme produced in your salivary gland?

A

saliva

98
Q

What is the chemical made by your stomach?

A

hydrochloric acid (HCl)

99
Q

What is the chemical made by your liver?

A

bile

100
Q

What is the job of the chemical made by your liver?

A

break down fat particles

101
Q

What is the process by which food is absorbed into your blood vessels?

A

absorption

Science 7th grade (8 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions