Wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Digestion and Gas Exchange Review

Total questions: 60

Worksheet time: 3600secs

Name
Class
Date
1.

Which organ produces bile?

a)

The Liver

b)

The Pancreas

c)

The Small Intestine

d)

The Large Intestine

2.

Waves of contractions that move food one way through the digestive system are called

a)

Impulse

b)

Peristalsis

c)

Action Potential

d)

Metabolism

3.
This is the enzyme that breaks down the sugar lactose in your small intestine.
a)
pepsin
b)
HCl
c)
Bicarbonate
d)
Lactase
4.

In which order do these events occur in human nutrition? *2014 Q25

a)

digestion-ingestion-absorption-assimilation

b)

digestion-ingestion-assimilation-absorption

c)

ingestion-digestion-absorption-assimilation

d)

ingestion-digestion-assimilation-absorption

5.

What is the function of the gall bladder? *2015 Q26

a)

absorption of fat

b)

digestion of fat

c)

production of bile

d)

storage of bile

6.

The diagram shows the structure of a villus in the small intestine. The arrows show the direction of the flow of fluids. Where will fatty acids and glycerol be present in the largest amount?

a)

A

b)

B

c)

C

d)

D

7.

Which of the following is an example of mechanical digestion?

a)

Conversion of starch into maltose

b)

Conversion of fats into fatty acid and glycerol

c)

Chewing by teeth

d)

Mixing of food with saliva

8.

Finger like projection in small intestine are known as

a)

cilia

b)

villi

c)

alveoli

d)

none of them

9.

In which organs do nutrients being absorbed into the blood?

a)

esophagus

b)

small intestine

c)

stomach

d)

mouth

10.
The muscular tube that moves food from the mouth to the stomach?
a)
esophagus
b)
small intestine
c)
stomach
d)
mouth
11.
The organ where food doesn't pass through but it does break down fats and detoxify poisons?
a)
liver
b)
small intestine
c)
stomach
d)
large intestine
12.

Which organ in the digestive system absorbs water from undigested food?

a)

liver

b)

small intestine

c)

stomach

d)

large intestine

13.

The name of organ labelled 4 is ....

a)

pancreas

b)

liver

c)

stomach

d)

gall bladder

14.

What is the function of this structure ?

a)

To digest the food

b)

To digest the food mechanically

c)

To absorb all the digested food particles

d)

To excrete the wastes

15.

The part that is circled is called the

a)

gall bladder

b)

intestine

c)

stomach

d)

appendix

16.

The diagram shows a villus. Which structure is label A pointing at?

a)

microvilli

b)

Epithelium

c)

Blood capillaries

d)

Lacteal

17.

Look at the diagram. What body system is this?

a)

Which body system is depicted in the diagram?

b)

Identify the body system shown in the diagram.

c)

What is the name of the body system illustrated in the diagram?

18.

What is the name of the part that is label B?

a)

nose

b)

mouth

c)

treacha

d)

lungs

19.

What is the name of the part that is label C?

a)

diaphragm

b)

mouth

c)

treacha

d)

lungs

20.

What is the name of the part that is label D?

a)

diaphragm

b)

mouth

c)

treacha

d)

lungs

21.

What is the name of the part that is label E?

a)

diaphragm

b)

mouth

c)

Alveoli

d)

lungs

22.

Using the digraph, choose the correct order of how air travel in the body.

a)

trachea, lungs, bronchiole, nose and mouth

b)

lungs, trachea, nose and mouth, bronchiole

c)

nose and mouth, trachea, lungs, bronchiole

d)

mouth and nose, lungs, treachea, bronchiole

23.

What is the name of the muscular tube that transports food from the pharynx to the stomach?

a)

Uvula

b)

Esophagus

c)

Palate

d)

Salivary glands

24.

Letter A ...

a)

Makes hydrochloric acid

b)

Makes bile

c)

Makes amylase

d)

Performs egestion

25.

Letter B ...

a)

Makes hydrochloric acid

b)

Makes bile

c)

Makes amylase

d)

Performs egestion

26.

Letter D ...

a)

Makes hydrochloric acid

b)

Makes bile

c)

Makes amylase

d)

Performs egestion

27.

What TWO process take place in the mouth?

a)

The adding of saliva

b)

Tongue breaks down food

c)

Chewing to break down food

d)

Acid is added

28.

What is the process in which food is pushed along the digestive tract?

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

29.

It refers to a medical condition that causes difficulty in breathing, resulting from damage to the air sacs in the lungs (alveoli)?

a)

Asthma

b)

Emphysema

c)

Bronchitis

d)

Sinusitis

30.

Which of the following best describes the picture?

a)

Inflammation of the lining of your bronchial tubes, which carry air to and from your lungs.

b)

A condition in which your airways narrow and swell and may produce extra mucus.

c)

Inflammation or swelling of the tissue lining the sinuses

d)

A condition that causes shortness of breath, caused by damage in the air sacs in the lungs (alveoli).

31.

Which of the following is TRUE about Pleural Effusion?

a)

Inflammatory disease that affects mostly the lungs and lymph glands

b)

Occurs when air leaks into the space between your lung and chest wall.

c)

Build-up of excess fluid between the layers of the pleura outside the lungs

d)

A condition in which your airways narrow and swell and may produce extra mucus.

32.

Which of the following infections causes inflammation in the alveoli due to the formation of pus?

a)

Tuberculosis

b)

Pneumonia

c)

Asbestosis

d)

COVID-19

33.

Which of the following describes a number of symptoms occurring together and characterizing a specific disease?

a)

Disease

b)

Illness

c)

Syndrome

d)

Disorder

34.

Which of the following respiratory diseases can lead to shortness of breath due to difficulty exhaling all the air from the lungs?

a)

Obstructive

b)

Restrictive

c)

Vascular

d)

Infectious

35.

Which of the following conditions causes shortness of breath, resulting from damage in the air sacs in the lungs (alveoli)?

a)

Asthma

b)

Emphysema

c)

Bronchitis

d)

Sinusitis

36.

Which of the following refers to a condition in which your airways narrow and swell and may produce extra mucus?

a)

Asthma

b)

Bronchitis

c)

Emphysema

d)

Sinusitis

37.

Which of the following describes the given picture?

a)

Inflammation of the lining of your bronchial tubes, which carry air to and from your lungs.

b)

A condition in which your airways narrow and swell and may produce extra mucus.

c)

Inflammation or swelling of the tissue lining the sinuses

d)

A condition that causes shortness of breath, caused by damage in the air sacs in the lungs (alveoli).

38.

Which of the following respiratory diseases refers to a chronic lung condition that limits the ability of a person’s lungs to expand during inhalation?

a)

Obstructive

b)

Restrictive

c)

Vascular

d)

Infectious

39.

Which of the following conditions produces thick and sticky mucus that can clog the lungs and obstruct the pancreas?

a)

Cystic Fibrosis

b)

Sarcoidosis

c)

Pleural Effusion

d)

Pneumothorax

40.

Which of the following is TRUE about Pleural Effusion?

a)

Inflammatory disease that affects mostly the lungs and lymph glands

b)

Occurs when air leaks into the space between your lung and chest wall.

c)

Build-up of excess fluid between the layers of the pleura outside the lungs

d)

A condition in which your airways narrow and swell and may produce extra mucus.

41.

Which of the following vascular disease leads to diminished gas exchange at the alveolar level, progressing to potentially causing respiratory failure?

a)

Pulmonary Embolism

b)

Pulmonary Edema

c)

Pulmonary Hypertension

d)

Pneumonia

42.

Which of the following infections causes inflammation in the alveoli due to the formation of pus?

a)

Tuberculosis

b)

Pneumonia

c)

Asbestosis

d)

COVID-19

43.

Which of the following infectious diseases is not caused by a foreign body/microorganism?

a)

Tuberculosis

b)

COVID-19

c)

Asbestosis

d)

Pneumonia

44.

Which of the following statements is not TRUE about COVID-19?

a)

It can cause respiratory infections and serious illnesses.

b)

Its virus need a living host to multiply and infect the organism.

c)

It is widely spread via eye contact and frequent touching.

d)

It can be prevented by frequent hand washing and hygiene etiquette.

45.

Which of the following structures filters the air that enters the respiratory tract?

a)

Structure 1

b)

Structure 3

c)

Structure 5

d)

Structure 7

46.

Which of the following structure connects the larynx to the bronchi of the lungs?

a)

Trachea

b)

Bronchus

c)

Pleural Cavity

d)

Bronchioles

47.

Which of the following describes the function of a diaphragm, Liam?

a)

Primary muscle used in respiration, which is the process of breathing.

b)

Carry oxygen rich air into the lungs and carry carbon dioxide rich air out of the lungs

c)

Area that connects the throat to the windpipe (trachea).

d)

Serves as secondary external opening for the respiratory tract

48.

Which of the following statements describe exhalation?

a)

Diaphragm contracts

b)

Expanding of the lungs

c)

Pressure in the lungs decrease

d)

Pressure in the lungs increases

49.

Which of the following serves as a passageway leading from the oral and nasal cavities in the head to the esophagus and larynx?

a)

Larynx

b)

Bronchus

c)

Pharynx

d)

Diaphragm

50.

Which of the following is TRUE about the given picture?

a)

The diaphragm contracts during exhalation.

b)

The ribs expand during exhalation.

c)

The pressure is high inside the lungs during exhalation.

d)

The pressure is low inside the lungs during inhalation.

51.

Which of the following blood vessels are directly involved in the gas exchange process?

a)

Veins

b)

Arteries

c)

Capillaries

d)

Arterioles

52.

Which of the following groups comprises the conducting division of the respiratory system?

a)

trachea, larynx, pharynx

b)

nose, mouth, pharynx

c)

bronchus, bronchioles, alveoli

d)

nasal cavity, pharynx, larynx

53.

Which of the following describes the primary muscle used in respiration, which is the process of breathing?

a)

Primary muscle used in respiration, which is the process of breathing.

b)

Carry oxygen rich air into the lungs and carry carbon dioxide rich air out of the lungs

c)

Area that connects the throat to the windpipe (trachea).

d)

Serves as secondary external opening for the respiratory tract

54.

Diagram shows a model of human respiratory system. K represents....

a)

lung

b)

rib cage

c)

diaphragm

d)

thoracic cavity

55.

During a biology class, Ethan, James, and Abigail were learning about the process of inhalation. They were discussing the various changes that occur in the body during this process. Which of the following statements are true about inhalation?

a)

Intercostal muscles contract

b)

Air pressure in the thoracic cavity decreases

c)

Rib cage moves downwards and inwards

d)

Diaphragm muscles relax and curve upwards

e)

Diaphragm muscles contract

56.

During exhalation, what happens?

a)

Intercostal muscles contract

b)

Air pressure in the thoracic cavity decreases

c)

Rib cage moves downwards and inwards

d)

Diaphragm muscles relax and curve upwards

e)

Intercostal muscles relax

57.

"Movements of the rib cage and diaphragm make the thoracic cavity smaller and cause the air pressure in the thoracic cavity to increase"


The situation happens during....

a)

inhalation

b)

exhalation

c)

excretion

d)

blood circulation

58.

The diaphragm contracts or flattens

to facilitate which process?

a)

Exhalation

b)

Inhalation

59.

Air rich in C02 exits the lungs

Which of the following is the correct way to describe this process?

a)

Exhalation by Anika

b)

Inhalation by Arjun

c)

Exhalation by James

60.

This disease causes the autoimmune system to attack healthy tissue in the digestive system that contains gluten.

Which of the following diseases is caused by this autoimmune response?

a)

Dental caries

b)

Diarrhoea

c)

Gastroenteritis

d)

Coeliac disease