Natural Science Digestive

Question 1

Where does digestion begin?

Answer 1

In the mouth.

Question 2

Which organ produces saliva?

Answer 2

The salivary glands.

Question 3

What structure prevents food from entering the trachea?

Answer 3

The epiglottis.

Question 4

Which organ does food pass through after the pharynx?

Answer 4

The esophagus.

Question 5

What is the mixture of food and saliva called as it moves through the pharynx?

Answer 5

The food bolus.

Question 6

Where does the main chemical digestion of food occur?

Answer 6

In the stomach.

Question 7

What is the liquid form of food called in the stomach?

Answer 7

Chyme.

Question 8

Which organ absorbs most of the nutrients?

Answer 8

The small intestine.

Question 9

What substances does chyme mix with in the small intestine?

Answer 9

Bile and pancreatic juices.

Question 10

Which organ produces bile?

Answer 10

The liver.

Question 11

Which organ produces pancreatic juices?

Answer 11

The pancreas.

Question 12

Where are water, minerals, and salts absorbed?

Answer 12

The large intestine.

Question 13

What are the waste materials that the body does not absorb called?

Answer 13

Feces.

Question 14

Through which part of the body are waste materials eliminated?

Answer 14

Through the anus.

Question 15

What are the two main phases of digestion?

Answer 15

Mechanical digestion and chemical digestion.

Question 16

Where does digestion begin?

Answer 16

In the mouth.

Question 17

Which organ produces saliva?

Answer 17

The salivary glands.

Question 18

What structure prevents food from entering the trachea?

Answer 18

The epiglottis.

Question 19

Which organ does food pass through after the pharynx?

Answer 19

The esophagus.

Question 20

What is the mixture of food and saliva called as it moves through the pharynx?

Answer 20

The food bolus.

Question 21

Where does the main chemical digestion of food occur?

Answer 21

In the stomach.

Question 22

What is the liquid form of food called in the stomach?

Answer 22

Chyme.

Question 23

Which organ absorbs most of the nutrients?

Answer 23

The small intestine.

Question 24

What substances does chyme mix with in the small intestine?

Answer 24

Bile and pancreatic juices.

Question 25

Which organ produces bile?

Answer 25

The liver.

Question 26

Which organ produces pancreatic juices?

Answer 26

The pancreas.

Question 27

Where are water, minerals, and salts absorbed?

Answer 27

The large intestine.

Question 28

What are the waste materials that the body does not absorb called?

Answer 28

Feces.

Question 29

Through which part of the body are waste materials eliminated?

Answer 29

Through the anus.

Question 30

What are the two main phases of digestion?

Answer 30

Mechanical digestion and chemical digestion.

Question 31

What is the first step of mechanical digestion?

Answer 31

Ingestion.

Question 32

Which organ helps move the food bolus to the pharynx?

Answer 32

The tongue.

Question 33

What structure helps food move from the mouth to the stomach?

Answer 33

The esophagus.

Question 34

Which organ prevents food from entering the windpipe?

Answer 34

The epiglottis.

Question 35

Which organ contains acid and digestive juices to break down food?

Answer 35

The stomach.

Question 36

What happens to food in the stomach during digestion?

Answer 36

It turns into a liquid called chyme.

Question 37

Which organ absorbs most of the nutrients into the blood?

Answer 37

The small intestine.

Question 38

What does bile help break down in the small intestine?

Answer 38

Fats.

Question 39

What part of the digestive system absorbs remaining water and minerals?

Answer 39

The large intestine.

Question 40

Where does undigested waste exit the body?

Answer 40

Through the anus.

Question 41

What is sweat composed of and what is its function?

Answer 41

Sweat is a mixture of water, salt, and minerals. Its function is to cool us down when it is hot.

Question 42

Where are sweat glands most commonly found?

Answer 42

Sweat glands produce sweat and are found all over the skin, but are more frequent in armpits, hands, and feet.

Question 43

What is bile and where is it produced?

Answer 43

Bile is a digestive juice produced by the liver.

Question 44

What is chyme and where does it go after leaving the stomach?

Answer 44

Chyme is the partly fluid and partly solid mass of incompletely digested food that passes from the stomach into the first part of the small intestine.

Question 45

What are gastric juices and what do they do?

Answer 45

Gastric juices are the chemicals that break down food in the stomach.

Question 46

What is the epiglottis and what is its function?

Answer 46

The epiglottis is a part of the body that flops down over the windpipe or trachea when you swallow to keep food from going into your lungs.