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KS3 - The Body > The digestive system > Flashcards

The digestive system Flashcards

(60 cards)

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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
What type of nutrient is primarily broken down in the stomach?
Proteins
26
What are digestive enzymes?
Proteins that speed up the breakdown of food.
27
Multiple choice: Which part of the digestive system is mainly involved in the absorption of water?
Large intestine
28
True or False: The digestive process begins as soon as food is seen.
True
29
What is the role of the rectum?
To store feces before they are expelled from the body.
30
Multiple choice: Which component of food provides energy?
Carbohydrates
31
What are the main organs involved in the digestive system?
Mouth, esophagus, stomach, small intestine, large intestine, rectum, anus.
32
What is the purpose of chewing food?
To break it down into smaller pieces for easier digestion.
33
Multiple choice: Which organ absorbs most of the nutrients?
Small intestine
34
What is the role of the small intestine's lining?
To increase surface area for absorption.
35
Fill in the blank: The ________ is the tube that carries food from the mouth to the stomach.
esophagus
36
What is the primary function of the large intestine?
To absorb water and form waste.
37
Multiple choice: What is the function of the digestive system?
To break down food into nutrients.
38
True or False: The stomach can hold about 1-2 liters of food and liquid.
True
39
Multiple choice: Which part of the digestive system is responsible for breaking down food into smaller pieces?
Mouth
40
What is the primary role of the gallbladder?
To store and concentrate bile.
41
True or False: Enzymes are not necessary for digestion.
False
42
Fill in the blank: The ________ is where food is mixed with digestive juices.
stomach
43
What is the function of the anus in the digestive system?
To expel waste from the body.
44
Multiple choice: Which nutrient is primarily absorbed in the large intestine?
Water
45
Multiple choice: What is the first step of digestion?
Chewing food in the mouth
46
What is the function of the small intestine's villi?
To increase the surface area for nutrient absorption.
47
Fill in the blank: The ________ is the part of the digestive system where absorption primarily occurs.
small intestine
48
What is the end product of digestion?
Nutrients and waste.
49
Multiple choice: Which organ is NOT part of the digestive system?
Heart
50
Fill in the blank: The ________ is the final section of the large intestine.
rectum
51
What is the main function of the esophagus?
To transport food from the mouth to the stomach.
52
What is the role of the stomach lining?
To protect the stomach from acid and help in digestion.
53
True or False: The digestive system is responsible for the removal of waste from the body.
True
54
What is the digestive system's role in the immune system?
To act as a barrier against germs ingested with food.
55
True or False: The pancreas is part of the endocrine system only.
False
56
Fill in the blank: The ________ connects the small intestine to the large intestine.
cecum
57
What happens to undigested food?
It is eliminated from the body as waste.
58
What is the role of the digestive tract?
To transport food and absorb nutrients.
59
Fill in the blank: The ________ is where the digestive process begins.
mouth
60
What is the main purpose of chewing food?
To break it down into smaller pieces for easier digestion.

KS3 - The Body (4 decks)

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