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KS3 - The Body > The digestive system > Flashcards

The digestive system Flashcards

1
Q

What is the main function of the digestive system?

A

To break down food and absorb nutrients.

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2
Q

True or False: The mouth is the first part of the digestive system.

A

True

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3
Q

Fill in the blank: The ________ is where most digestion and absorption occurs.

A

small intestine

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4
Q

What enzyme in saliva starts the digestion of carbohydrates?

A

Amylase

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5
Q

What is the role of the stomach in digestion?

A

To mix food with gastric juices and break it down.

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6
Q

Multiple choice: Which organ produces bile?

A

Liver

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7
Q

What is the function of the pancreas in digestion?

A

To produce digestive enzymes and insulin.

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8
Q

True or False: The large intestine absorbs most nutrients.

A

False

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9
Q

What is the purpose of the gallbladder?

A

To store bile produced by the liver.

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10
Q

Fill in the blank: Food travels down the ________ to reach the stomach.

A

esophagus

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11
Q

Multiple choice: Which part of the digestive system is responsible for water absorption?

A

Large intestine

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12
Q

What is the last part of the digestive system?

A

Anus

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13
Q

True or False: Digestion only occurs in the stomach.

A

False

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14
Q

What is the role of fiber in the digestive system?

A

To help move food through the intestines.

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15
Q

What are villi?

A

Small finger-like projections in the small intestine that absorb nutrients.

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16
Q

What is peristalsis?

A

The wave-like muscle contractions that move food through the digestive tract.

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17
Q

True or False: The digestive system only processes solid food.

A

False

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18
Q

What is the function of saliva?

A

To help break down food and make it easier to swallow.

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19
Q

Fill in the blank: The ________ is a muscular tube that connects the throat to the stomach.

A

esophagus

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20
Q

What are the two types of digestion?

A

Mechanical and chemical digestion.

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21
Q

Multiple choice: Which organ is responsible for storing waste before it is expelled?

A

Rectum

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22
Q

True or False: The stomach has a very acidic environment.

A

True

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23
Q

What is the primary function of the small intestine?

A

To absorb nutrients from digested food.

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24
Q

Multiple choice: Which of the following is NOT part of the digestive system?

A

Lungs

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25
Q

What type of nutrient is primarily broken down in the stomach?

26
Q

What are digestive enzymes?

A

Proteins that speed up the breakdown of food.

27
Q

Multiple choice: Which part of the digestive system is mainly involved in the absorption of water?

A

Large intestine

28
Q

True or False: The digestive process begins as soon as food is seen.

29
Q

What is the role of the rectum?

A

To store feces before they are expelled from the body.

30
Q

Multiple choice: Which component of food provides energy?

A

Carbohydrates

31
Q

What are the main organs involved in the digestive system?

A

Mouth, esophagus, stomach, small intestine, large intestine, rectum, anus.

32
Q

What is the purpose of chewing food?

A

To break it down into smaller pieces for easier digestion.

33
Q

Multiple choice: Which organ absorbs most of the nutrients?

A

Small intestine

34
Q

What is the role of the small intestine’s lining?

A

To increase surface area for absorption.

35
Q

Fill in the blank: The ________ is the tube that carries food from the mouth to the stomach.

36
Q

What is the primary function of the large intestine?

A

To absorb water and form waste.

37
Q

Multiple choice: What is the function of the digestive system?

A

To break down food into nutrients.

38
Q

True or False: The stomach can hold about 1-2 liters of food and liquid.

39
Q

Multiple choice: Which part of the digestive system is responsible for breaking down food into smaller pieces?

40
Q

What is the primary role of the gallbladder?

A

To store and concentrate bile.

41
Q

True or False: Enzymes are not necessary for digestion.

42
Q

Fill in the blank: The ________ is where food is mixed with digestive juices.

43
Q

What is the function of the anus in the digestive system?

A

To expel waste from the body.

44
Q

Multiple choice: Which nutrient is primarily absorbed in the large intestine?

45
Q

Multiple choice: What is the first step of digestion?

A

Chewing food in the mouth

46
Q

What is the function of the small intestine’s villi?

A

To increase the surface area for nutrient absorption.

47
Q

Fill in the blank: The ________ is the part of the digestive system where absorption primarily occurs.

A

small intestine

48
Q

What is the end product of digestion?

A

Nutrients and waste.

49
Q

Multiple choice: Which organ is NOT part of the digestive system?

50
Q

Fill in the blank: The ________ is the final section of the large intestine.

51
Q

What is the main function of the esophagus?

A

To transport food from the mouth to the stomach.

52
Q

What is the role of the stomach lining?

A

To protect the stomach from acid and help in digestion.

53
Q

True or False: The digestive system is responsible for the removal of waste from the body.

54
Q

What is the digestive system’s role in the immune system?

A

To act as a barrier against germs ingested with food.

55
Q

True or False: The pancreas is part of the endocrine system only.

56
Q

Fill in the blank: The ________ connects the small intestine to the large intestine.

57
Q

What happens to undigested food?

A

It is eliminated from the body as waste.

58
Q

What is the role of the digestive tract?

A

To transport food and absorb nutrients.

59
Q

Fill in the blank: The ________ is where the digestive process begins.

60
Q

What is the main purpose of chewing food?

A

To break it down into smaller pieces for easier digestion.

KS3 - The Body (4 decks)

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