Digestive System** Flashcards

1
Q

Breaks down starch during mechanical digestion

A

Amylase

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2
Q

Where is amylase found?

A

Saliva

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3
Q

What helps with mechanical digestion?

A

Teeth

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4
Q

Series of muscular contractions

A

Peristalsis

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5
Q

Mixing food with saliva

A

Bolus

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6
Q

Watery mixture of stomach fluids and food

A

Chyme

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7
Q

Kills bacteria and activates pepsin

A

HCl

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8
Q

Helps to break down protein

A

Pepsin

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9
Q

What 2 things does the stomach absorb?

A

Water and alcohol

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10
Q

The stomach is a common site for this disease

A

Ulcers

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11
Q

What are the 3 parts of the small intestine?

A

Duodenum, jejunum, ileum

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12
Q

Finger like projections in the small intestine

A

Villi

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13
Q

Keeps the small intestines together

A

Mesentary

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14
Q

What are the functions of the small intestine?

A

Chemical digestion and absorption

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15
Q

Also known as the colon

A

Large intestine

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16
Q

What are the 4 parts of the colon?

A

Ascending, traverse, descending, rectal

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17
Q

What is the function of the large intestine?

A

Removal of water form waste material

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18
Q

Not enough removal of water from waste

A

Diarrhea

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19
Q

Too much water removed from waste

A

Constipation

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20
Q

What accessory organ produces bile?

A

Liver

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21
Q

What does bile break down?

A

Fat, carbs, proteins, detoxes alcohol

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22
Q

What does the pancreas secrete?

A

Insulin and pancreatic juices

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23
Q

What is the function of the pancreas?

A

Produce insulin to regulate blood sugar levels, produce pancreatic juices to break down nutrients, produce sodium bicarbonate to neutralize stomach acid

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24
Q

Breaking food down into simpler chemicals

A

Chemical digestion

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25
Breaking larger pieces into smaller pieces without changing the chemical composition
Mechanical digestion
26
What are the 4 layers of the alimentary canal?
Mucosa, submucosa, muscular, serosa
27
How many primary teeth are there?
20
28
How many secondary teeth are there?
32
29
What are teeth made of?
Enamel, dentin, pulp, cementum, nerves, blood vessels
30
What is the function of the uvula?
Close off the nasal cavity during swallowing
31
What does the saliva break down?
Food particles and carbohydrate digestion
32
What does the rate at which the stomach empties depends upon?
Fluidity of the chyme and type of food
33
Stimulates the release of pancreatic juice with a high bicarbonate ion concentration
Secretin
34
Stimulates the release of pancreatic juice with abundant digestive enzymes
Cholecystokinin
35
Major energy source
Carbohydrate
36
Carbohydrate % of diet
55%
37
Breaking food down into simpler chemicals
Chemical digestion
38
Breaking larger pieces into smaller pieces without changing the chemical composition
Mechanical digestion
39
What are the 4 layers of the alimentary canal?
Mucosa, submucosa, muscular, serosa
40
How many secondary teeth are there?
32
41
What are teeth made of?
Enamel, dentin, pulp, cementum, nerves, blood vessels
42
What is the function of the uvula?
Close off the nasal cavity during swallowing
43
What does the saliva break down?
Food particles and carbohydrate digestion
44
What does the rate at which the stomach empties depends upon?
Fluidity of the chyme and type of food
45
Stimulates the release of pancreatic juice with abundant digestive enzymes
Cholecystokinin
46
Major energy source
Carbohydrate
47
Carbohydrate % of diet
55%
48
How many primary teeth are there?
20
49
Stimulates the release of pancreatic juice with a high bicarbonate ion concentration
Secretin
50
Stimulates the release of pancreatic juice with abundant digestive enzymes
Cholecystokinin
51
Calories/gram of carbohydrates?
4
52
What are some sources of carbohydrates?
Fruits, sugar, honey, grain, pasta, potato, bread
53
Calories/gram of protein?
4
54
Calories/gram of fat?
9
55
Calories/gram of water?
0
56
Calories/gram of vitamins?
0
57
Calories/gram of minerals?
0
58
Helps in growth and repair
Proteins
59
% of protein in diet?
30%
60
What are some sources of protein?
Meat, eggs, fish, beans, grains
61
Production of cell membranes, nervous tissue, hormones, protection and insulation
Fat
62
% of fat in diet?
15%
63
What are some sources of fat?
Lard, animal fat, butter, oil
64
Regulates body processes
Vitamins
65
What are some sources of vitamins?
Milk, fruits, vegetables
66
Inorganic nutrients that the body needs for functions
Minerals
67
What are some sources of minerals?
Table salt
68
Makes bulk of blood lymph and bodily fluids; helps with eliminating waste and substance transportation
Water