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Respiratory and Digestive Systems Quiz

Total questions: 20

Worksheet time: 30mins

Name
Class
Date
1.

What is the process of filling and removing air from the lungs called?

a)

Respiration

b)

Inspiration

c)

Ventilation

d)

Expiration

2.

What is the main function of the teeth?

a)

Produce saliva

b)

Physically break down food

c)

Store vitamins

d)

Produce insulin

3.

Which organ is responsible for secreting bile?

a)

Pancreas

b)

Liver

c)

Gallbladder

d)

Stomach

4.

What is the primary function of oxygen in the body?

a)

It is a waste product of metabolism.

b)

It is needed by all of the body's cells.

c)

It is used to break down food chemically.

d)

It is absorbed in the small intestine.

5.

What is the role of the epiglottis?

a)

It connects the mouth and the esophagus.

b)

It prevents acid from moving up the esophagus.

c)

It opens and closes to move air to the trachea and food to the esophagus.

d)

It absorbs nutrients in the small intestine.

6.

Which process helps move food down the esophagus?

a)

Digestion

b)

Absorption

c)

Peristalsis

d)

Respiration

7.

What is the function of the sphincters in the stomach?

a)

They absorb nutrients.

b)

They prevent acid from moving up the esophagus or down into the small intestine.

c)

They break down food physically.

d)

They connect the mouth and the esophagus.

8.

Where does absorption occur in the small intestine?

a)

Through the epiglottis

b)

Through the sphincters

c)

Through the villi

d)

Through the trachea

9.

What is the main function of villi in the small intestine?

a)

Absorb digested nutrients

b)

Produce digestive enzymes

c)

Store solid waste

d)

Filter air

10.

Which of the following is NOT a function of the large intestine?

a)

Absorbs any remaining nutrients

b)

Absorbs water

c)

Produces bile

d)

Storage of solid waste

11.

What are the two openings in the nose called?

a)

Nasal cavities

b)

Nostrils

c)

Pharynx

d)

Larynx

12.

What is the function of the cilia in the nose?

a)

Absorb nutrients

b)

Trap pathogens and filter air

c)

Produce mucus

d)

Store water

13.

What is another name for the larynx?

a)

Throat

b)

Windpipe

c)

Voice box

d)

Nasal cavity

14.

What role do the tongue and lips play in speech production?

a)

Vibrate the vocal cords

b)

Act on the sound and shape it into speech/words

c)

Absorb sound waves

d)

Filter air

15.

What is the function of the epiglottis?

a)

Absorb nutrients

b)

Open and close the opening to the larynx during swallowing

c)

Produce sound

d)

Filter air

16.

What is the function of the tube that carries air from the larynx to the bronchi?

a)

To exchange oxygen and carbon dioxide

b)

To carry air from the trachea to the lungs

c)

To carry air from the larynx to the bronchi

d)

To divide into smaller airways called bronchioles

17.

What are bronchioles?

a)

Large airways that carry air from the larynx

b)

Smaller airways that divide from the bronchi

c)

Blood vessels in the alveoli

d)

Parts of the digestive system

18.

Where does the exchange of O2 and CO2 occur?

a)

In the bronchi

b)

In the alveoli

c)

In the trachea

d)

In the accessory organs

19.

What is the digestive system responsible for?

a)

Carrying air to the lungs

b)

Exchanging gases in the blood

c)

Physical and chemical breakdown of food

d)

Dividing airways into bronchioles

20.

Into how many sections is the digestive system divided?

a)

1

b)

2

c)

3

d)

4