Digestive system

Question 1

What is the main function of the digestive system?

Answer 1

To break down food into nutrients that the body can use.

Question 2

True or False: The mouth is the starting point of the digestive system.

Answer 2

True

Question 3

What enzyme in saliva helps to break down carbohydrates?

Answer 3

Amylase

Question 4

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

Answer 4

esophagus

Question 5

What is the role of the stomach in digestion?

Answer 5

To mix food with digestive juices and break it down into a semi-liquid form.

Question 6

Name the acid produced in the stomach that helps digest food.

Answer 6

Hydrochloric acid

Question 7

What part of the digestive system absorbs most of the nutrients?

Answer 7

Small intestine

Question 8

True or False: The large intestine is responsible for absorbing water and electrolytes.

Answer 8

True

Question 9

What are the three main sections of the small intestine?

Answer 9

Duodenum, jejunum, ileum

Question 10

Which organ produces bile, which helps in fat digestion?

Answer 10

Liver

Question 11

What is the function of the gallbladder?

Answer 11

To store and concentrate bile.

Question 12

Fill in the blank: The ________ helps to neutralize stomach acid in the small intestine.

Answer 12

pancreas

Question 13

What is the process of breaking down food into smaller components called?

Answer 13

Digestion

Question 14

True or False: Fiber is a nutrient that the body can digest.

Answer 14

False

Question 15

What is the final section of the digestive system called?

Answer 15

Rectum

Question 16

What is the role of enzymes in digestion?

Answer 16

To speed up the chemical reactions that break down food.

Question 17

Name the two types of digestion.

Answer 17

Mechanical digestion and chemical digestion.

Question 18

What is the function of the salivary glands?

Answer 18

To produce saliva that moistens food and contains enzymes.

Question 19

Fill in the blank: The ________ is a flap that covers the trachea during swallowing.

Answer 19

epiglottis

Question 20

What is the role of the pancreas in digestion?

Answer 20

To produce digestive enzymes and bicarbonate.

Question 21

True or False: The small intestine is shorter than the large intestine.

Answer 21

False

Question 22

What are villi?

Answer 22

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

Question 23

What is the function of the large intestine?

Answer 23

To absorb water and form waste.

Question 24

Name one type of digestive disorder.

Answer 24

Gastroesophageal reflux disease (GERD)

Question 25

Fill in the blank: Food is mixed with bile and digestive juices in the ________.

Answer 25

small intestine

Question 26

What is peristalsis?

Answer 26

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

Question 27

True or False: Nutrient absorption occurs primarily in the large intestine.

Answer 27

False

Question 28

What does the term 'digestion' refer to?

Answer 28

The process of breaking down food into small, absorbable components.

Question 29

What is the primary function of the esophagus?

Answer 29

To transport food from the mouth to the stomach.

Question 30

Fill in the blank: The liver produces ________, which is important for fat digestion.

Answer 30

bile

Question 31

What is the main purpose of chewing food?

Answer 31

To mechanically break it down into smaller pieces.

Question 32

True or False: The stomach can hold food for several hours.

Answer 32

True

Question 33

What are the main nutrients the body needs from food?

Answer 33

Carbohydrates, proteins, fats, vitamins, and minerals.

Question 34

What is the role of the rectum in the digestive system?

Answer 34

To store waste material until it is excreted.

Question 35

Fill in the blank: The ________ helps to regulate the amount of food entering the small intestine.

Answer 35

pyloric sphincter

Question 36

What is the significance of gut bacteria?

Answer 36

They help in the digestion of certain foods and the production of vitamins.

Question 37

True or False: Digestion begins in the stomach.

Answer 37

False

Question 38

What is the main function of the gallbladder?

Answer 38

To store bile produced by the liver.

Question 39

Fill in the blank: The ________ is responsible for the final absorption of water.

Answer 39

large intestine

Question 40

What is the role of hydrochloric acid in the stomach?

Answer 40

To kill bacteria and activate digestive enzymes.

Question 41

What is the primary type of digestion occurring in the mouth?

Answer 41

Mechanical digestion

Question 42

True or False: The digestive system also plays a role in the immune system.

Answer 42

True

Question 43

What does the term 'nutrient absorption' refer to?

Answer 43

The process of taking up nutrients from digested food into the bloodstream.

Question 44

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

Answer 44

esophagus

Question 45

What is the primary function of the small intestine?

Answer 45

To digest food and absorb nutrients.

Question 46

True or False: All nutrients are absorbed in the stomach.

Answer 46

False

Question 47

What role does fiber play in digestion?

Answer 47

It aids in moving food through the digestive system.

Question 48

What is the primary function of saliva?

Answer 48

To moisten food and begin the digestion of carbohydrates.