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The digestive system

Total questions: 191

Worksheet time: 8hrs 33mins

Name
Class
Date
1.

What is digestion?

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2.

Describe the process of digestion in the mouth

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3.

Where is amylase made?

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4.

Where is protease made?

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5.

Where is lipase made?

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6.

Describe and explain how the structure of the small intestine is adapted for absorbing digested food

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7.

What is the alimentary canal (gastrointestinal tract)?

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8.

What is the word use to refer to food in digestion?

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9.

What is the role of the salivary glands?

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10.

What is the role of the pancreas?

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11.

What are the contents of gastric juice?

Where and when is it released?

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12.

What is peristalsis and how is it created?

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13.

What is the function of bile?

Where is bile produced and stored?

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14.

Name the first part of the small intestine

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15.

Peristalsis also occurs into two other places besides the oesophagus. Where does it occur?

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16.

The second section of the small intestine is called the Jejenum. What is the final section of the small intestine called?

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17.

What happens in the large intestine?

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18.

Where are faeces stored and where are they excreted?

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19.

What is the first organ where digestion begins?

a)

mouth

b)

stomach

c)

liver

d)

large intestine

20.

What is the function of the mouth in digestion?

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21.

What is the oesophagus?

a)

the organ that produces saliva

b)

a gland that releases bile

c)

a small pouch under the stomach

d)

a muscular tube that pushes food from the mouth to the stomach

22.

What process moves food down the oesophagus?

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23.

What is the stomach's role in digestion?

a)

absorbs water from food

b)

mixes foods with acids and churns it to break down proteins

c)

stores bile

d)

produces insulin

24.

Where are most nutrients absorbed?

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25.

What is the function of the liver in digestion?

a)

absorbs nutrients from food

b)

filters air before it enters the lungs

c)

produces bile to help digest fats

d)

mixes food with acid in the stomach

26.

What does the gallbladder do?

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27.

What enzymes does the pancreas produce?

a)

enzymes that digest only fats

b)

enzymes that digest proteins, fats, and carbohydrates

c)

enzymes that make bile

d)

enzymes that filter toxins from the blood

28.

What is the main purpose of the digestive system?

a)

to help the body breathe

b)

to break down food so it can be used by organs and cells

c)

to pump blood

d)

to control movement

29.

Food broken down during the digestive process provides energy for many essential body functions.

a)

true

b)

false

30.

What is the name of the long tube that leads food from the throat to the stomach?

a)

trachea

b)

oesophagus

c)

intestine

d)

windpipe

31.

Muscles in the stomach squeeze about every ____ seconds. Fill in the blank.

a)

20

b)

5

c)

60

d)

120

32.

What happens to food in the small intestines?

a)

it is chewed

b)

it is absorbed into the body

c)

it is mixed with saliva

d)

it is pushed into the stomach

33.

What is the main function of the liver in the digestive system?

a)

to break down fiber

b)

to provide bile to break fat into smaller pieces

c)

to absorb nutrients

d)

to store waste

34.

The large intestine contains around 400 kinds of bacteria that help break down fiber and make vitamins.

a)

true

b)

false

35.

What happens to food in the large intestine?

a)

water is absorbed and waste is formed

b)

food is digested and nutrients are absorbed

c)

food is stored for later use

d)

enzymes break down food into smaller molecules

36.

What organ helps to remove waste that your body doesn't use?

a)

large intestine

b)

kidney

c)

liver

d)

stomach

37.

What is the difference between mechanical and chemical digestion?

a)

mechanical digestion involves the use of enzymes to break down food into nutrients

b)

mechanical digestion is the process of chemically altering food at a molecular level

c)

mechanical digestion involves physical breaking down of food,while chemical digestion involves enzymes breaking down food into nutrients

d)

mechanical digestion occurs only in the stomach, while chemical digestion occurs in the mouth

38.

What is the main purpose of the digestive system?

a)

to provide energy for physical activity

b)

to change food into a form that can be used by the cells

c)

to filter toxins from the blood

d)

to regulate body temperature

39.

Which body part starts the job of digestion?

a)

teeth

b)

stomach

c)

oesophagus

d)

intestines

40.

What are gastric juices?

a)

q type of beverage consumed during meals

b)

a mixture of hydrochloric acid and digestive enzymes in the stomach that helps break down food

c)

a type of food supplement for digestive health.

d)

solution used for cleaning the stomach during surgeries

41.

What do mashed-up food particles mix with in the stomach?

a)

gastric juices and mashed up food

b)

saliva enzymes

c)

bile and pancreatic juice

d)

air and water

42.

What is the function of the small intestine?

a)

to absorb nutrients from digested food

b)

to store bile produced by the liver

c)

to break down carbohydrates into sugars

d)

to filter waste from the blood

43.

What is the role of the stomach in digestion?

a)

to absorb nutrients

b)

to mix food with gastric juices and break it down

c)

to store food until it is ready to be digested

d)

to produce bile for fat digestion

44.

What is bile and where is it produced?

a)

a digestive fluid produced by the pancreas that helps digest proteins

b)

a digestive fluid produced by the stomach that helps digest carbohydrates

c)

a digestive fluid produced by the liver that helps digest fats

d)

a digestive fluid produced by the intestines that helps absorb vitamins

45.

What is the role of saliva in digestion?

a)

saliva helps to break down food and makes it easier to swallow

b)

saliva acts as a preservative for food

c)

saliva increases the acidity of the stomach

d)

saliva is primarily responsible for nutrient absorption

46.

Why is it important to chew food?

a)

chewing helps to break food into smaller pieces, making it easier to digest

b)

chewing increases the flavour of the food, making it more enjoyable

c)

chewing allows food to mix with saliva, which is not necessary for digestion

d)

chewing helps to cool down hot food before swallowing

47.

What is the oesophagus?

a)

a tube that connects the mouth to the stomach

b)

a muscle that helps in digestion

c)

an organ that produces bile

d)

a part of the respiratory system

48.

What happens to undigested food in the large intestine?

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49.

Explain why chewing your food well is important for digestion.

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50.

What role does the stomach play in the digestive process?

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51.

Why is it important to eat a balanced diet with different types of foods?

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52.

Absorption

a)

the movement of molecules from the small intestine into the bloodstream

b)

the process of absorbing and using nutrients in the body

c)

uses digestive juices and enzymes to break down food at the molecular level

d)

the removal of waste from the body as feces

53.

Assimilation

a)

the movement of molecules from the small intestine into the bloodstream

b)

the process of absorbing and using nutrients in the body

c)

uses digestive juices and enzymes to break down food at the molecular level

d)

the removal of waste from the body as feces

54.

Chemical digestion

a)

the movement of molecules from the small intestine into the bloodstream

b)

the process of absorbing and using nutrients in the body

c)

uses digestive juices and enzymes to break down food at the molecular level.

d)

the removal of waste from the body as feces.

55.

Ingestion

a)

taking food into the mouth

b)

the physical breakdown of food into smaller pieces through chewing or churning in the stomach

c)

the chemicals which are found in food that the body needs for growth and repair of tissues

d)

smooth muscular movements which push the food along the digestive tract

56.

Mechanical digestion

a)

taking food into the mouth

b)

the physical breakdown of food into smaller pieces through chewing or churning in the stomach

c)

the chemicals which are found in food that the body needs for growth and repair of tissues

d)

smooth muscular movements which push the food along the digestive tract

57.

Nutrient

a)

taking food into the mouth

b)

the physical breakdown of food into smaller pieces through chewing or churning in the stomach

c)

the chemicals which are found in food that the body needs for growth and repair of tissues

d)

smooth muscular movements which push the food along the digestive tract

58.

Peristalsis

a)

taking food into the mouth

b)

the physical breakdown of food into smaller pieces through chewing or churning in the stomach

c)

the chemicals which are found in food that the body needs for growth and repair of tissues

d)

smooth muscular movements which push the food along the digestive tract

59.

What are the functions of the digestive system?

a)

break down food into molecules the body can use

b)

produce hormones that control body temperature and heart rate

c)

absorb molecules into the blood to be transported around the body

d)

eliminate wastes from the body

60.

The muscular sac that stores and breaks down food is the:

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61.

The first point of entry for food into the digestive system is the:

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62.

What enzyme in the stomach helps break down proteins?

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63.

Saliva contains an enzyme that breaks down carbohydrates. This enzyme is called:

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64.

The muscular tube that connects the mouth to the stomach is the:

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65.

What is the acidic liquid in the stomach that helps break down food?

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66.

The organ that produces bile, a substance that helps digest fats, is the:

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67.

The small intestine is where most of the chemical breakdown and absorption of nutrients takes place. True or False?

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68.

The appendix is a small pouch located on the large intestine. Its function is still not fully understood. True or False?

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69.

Undigested food materials and waste products are eliminated from the body through the:

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70.

The wave-like muscle contractions that move food through the digestive system are called:

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71.

Which of the following is NOT a function of the liver?

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72.

The pancreas releases digestive enzymes and hormones that help regulate blood sugar levels. True or False?

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73.

A healthy digestive system relies on a balanced diet and adequate intake of:

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74.

Which vitamin is important for the absorption of calcium in the digestive system?

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75.

Heartburn is a burning sensation in the chest caused by stomach acid backing up into the esophagus. True or False?

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76.

Constipation is a condition characterized by infrequent bowel movements and difficulty passing stool. True or False?

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77.

Which of the following is NOT a common digestive disorder?

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78.

Maintaining a healthy weight and getting regular exercise can contribute to a healthy digestive system. True or False?

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79.

Why do we need a digestive system? What is its function?

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80.

What is mechanical digestion? What is an example of mechanical digestion?

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81.

What is chemical digestion? What is an example of chemical digestion?

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82.

What are the 5 main parts of the digestive system?

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83.

What is the function of your stomach?

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84.

What is the function of the small intestine?

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85.

What is the function of the large intestine?

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86.

What are the 5 groups of nutrients your body needs?

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87.

What parts of the digestive system can you name in this diagram?

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88.

List the 6 main nutrients? (Fiber is sometimes considered the 7th you don't have to list that one.)

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89.

What does the word "digestion" mean?

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90.

Why are the villi and microvilli important in the small intestine?

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91.

What is another name for the large intestine?

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92.

Where do we get our VITAMINS & MINERALS from?

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93.

What are some sources for FATS?

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94.

What is the digestive system?

a)

a system to take out the bad stuff that's in your body

b)

a system where a certain group of organs work together to convert food into energy to feed the body

c)

q system where certain organs in the body digest the food you eat

d)

a system that the organs in the stomach make food for the body to digest.

95.

What are the three main functions of the digestive system?

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96.

Name two things that are absorbed in the large intestine. (Nutrients does not count as an answer)

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97.

Where does absorption primarily take place in the digestive system?

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98.

What structural adaptations increase the surface area for absorption in the small intestine?

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99.

Which processes are involved in absorbing nutrients in the small intestine?

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100.

Name the nutrients that are absorbed in the small intestine.

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101.

How do different nutrients utilize specific transport mechanisms during absorption?

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102.

What role do capillaries play in absorption?

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103.

Where do absorbed nutrients go after being processed in the small intestine?

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104.

What is the function of enzymes in the absorption process in the small intestine?

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105.

In which structures do fats get absorbed in the small intestine?

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106.

How does absorption relate to the overall digestive process?

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107.

Describe the difference between chemical and physical (mechanical) digestion, giving examples of organs that use these methods to break down food.

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108.

What are the five phases of digestion?

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109.

What are four things that is produced by the liver?

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110.

Determine what is the labelled structure and explain its function.

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111.

Why is the digestive system important?

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112.

Why is the saliva important?

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113.

Explain why we need our digestive system.

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114.

Name five organs in the digestive system.

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115.

The mouth digests food

a)

true

b)

false

116.

The stomach digests food

a)

true

b)

false

117.

The large intestine digests food

a)

true

b)

false

118.

The small intestine digests food

a)

true

b)

false

119.

The gullet contains digestive juices

a)

true

b)

false

120.

The gullet digests food

a)

true

b)

false

121.

The small intestine contains digestive juices

a)

true

b)

false

122.

The saliva is a digestive juice

a)

true

b)

false

123.

Explain the process of digestion in your words

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124.

What would happen if we did not have digestive system?

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125.

What term describes digestion occurring inside a cell? What organism would do this?

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126.

What is another term for oral cavity?

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127.

What is extracellular digestion? What organism would do this?

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128.

What term describes nutrients that do not need to be digested? What are these 3 nutrients?

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129.

What are the four types of ingestion? What are examples of organisms that do each?

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130.

What is the difference between open tubes and closed tubes in digestion? What are examples of organisms that have each?

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131.

What is another term for physical digestion?

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132.

What is the difference between physical and chemical digestion?

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133.

What term describes wave-like contractions in the esophagus? What are responsible for those contractions?

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134.

Name the 3 pairs of salivary glands.

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135.

Name the enzyme found in saliva. What does it break down, and what does it produce?

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136.

What type of digestion involves enzymes breaking down food?

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137.

What are the 3 main functions of the stomach?

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138.

What nutrient is chemically digested in the stomach, and what does it turn into? What enzyme does this?

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139.

What is the name of the ring of muscles at the end of the stomach?

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140.

What 3 things do gastric glands produce?

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141.

What do we call the mixture of food that empties into the small intestine?

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142.

Which organ produces bile? Where is bile stored?

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143.

What does bile do to break down nutrients?

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144.

What are the names of the projections that line the walls of the small intestine? What is their purpose?

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145.

Name the enzymes that are produced by the pancreas. What do each enzyme break down, and what are the final products of the digestion?

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146.

What is the end product of carbohydrate digestion, and where does it go?

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147.

What is the end product of lipid digestion, and where does it go?

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148.

What is the end product of protein digestion, and where does it go?

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149.

What is a lacteal?

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150.

What happens to excess glucose in the blood? Which hormone stimulates this to happen?

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151.

What happens if blood sugar is low? Which hormone stimulates this to happen?

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152.

What are the three parts of the small intestine called?

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153.

What is another name for the large intestine?

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154.

What are the three main functions of the large intestine?

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155.

What do the bacteria in the colon produce for humans?

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156.

What is the term for indigestible material that exits the body?

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157.

How long is the human digestive tract?

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158.

What are the components or steps of digestion?

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159.

What closes the trachea during swallowing?

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160.

What is the term for the wad of food moving down the esophagus?

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161.

Chewing speeds up chemical breakdown by increasing what?

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162.

What is hydrolysis?

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163.

What types of organisms make their own food?

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164.

Why does the stomach not digest itself?

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165.

What are several functions of the liver?

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166.

What are several functions of the pancreas?

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167.

Where does most digestion occur in the human body?

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168.

How is chyme neutralized as it enters the small intestine?

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169.

The lungs are part of the digestive system?

a)

true

b)

false

170.

The Heart is part of the digestive system?

a)

true

b)

false

171.

The Liver is part of the digestive system?

a)

true

b)

false

172.

The Small Intestine is part of the digestive system?

a)

true

b)

false

173.

The Pancreas is part of the digestive system?

a)

true

b)

false

174.

The Stomach is part of the digestive system?

a)

true

b)

false

175.

What is the purpose of eating?

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176.

What is the purpose of the digestive system?

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177.

Why is your spit, or saliva, important?

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178.

What does your stomach do?

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179.

What does your large intestine do?

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180.

What does your small intestine do?

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181.

How does the digestive system end?

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182.

Where does the digestion process start?

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183.

What is the name of the liquids that help digesting the food?

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184.

What is the tube that carries food to the stomach?

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185.

Where do the waste products go?

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186.

Name 2 actions involved in digestion process.

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187.

What is the organ in which nutrients are absorbed?

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188.

How are nutrients delivered in the body?

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189.

What is a gastric ulcer?

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190.

What are the functions of the teeth and tongue?

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191.

What are the six functions of the digestive system?

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