Free Printable Respiratory System

Worksheets

Respiratory System

Total questions: 16

Worksheet time: 5mins

Name

Class

Date

What is the main function of the respiratory system?

to provide oxygen and remove carbon dioxide from the body

to bring oxygen to the body

to break down food and absorb nutrients

to remove oxygen from the body and deliver carbon dioxide

Which is NOT a function of the Respiratory System?

it warms the air

it exchanges O₂ and CO₂

It pumps blood to the organs

it creates sound through the larynx

Which system works closely with the respiratory system?

skeletal system

circulatory system

excretory system

digestive system

The beginning of the respiratory system that warms and moistens the air.

trachea

nose

bronchi

diaphragm

The passageway that is shared by both the digestive and respiratory system is the....

larynx

pharynx

trachea

nose

What is the function of the bronchi?

Transport air from nose to lungs

Transport air from trachea to lungs

Transport air from lungs to alveoli

Transport air from alveoli to blood

The two main branches from the trachea (one to each lung)

bronchi

alveoli

capillaries

bronchioles

The air sacs that are covered with capillaries where gas exchange takes place

bronchi

lungs

oxygen

alveoli

What is tube that is also known as your wind pipe?

esophogus

bronchi

trachea

alveoli

10.

What is function of the dome-shaped diaphragm?

This is where gas exchange happens.

Air passes through the diaphragm on the way to the lungs.

It attaches to the lungs to help in breathing.

It is under the lungs and keeps them from falling down to your stomach.

11.

During exhalation the diaphragm moves up and the volume of air decreases in the lungs.

True

False

12.

When you exercise, your heart beats faster to...

spread oxygen throughout your body more quickly.

make you feel excited.

let you know you're working hard.

inflate your lungs

13.

Name the two body parts that work together to force air IN and OUT of the body:

Lungs and trachea

Rib cage and diaphragm

Rib cage and nasal passage

Diaphragm and nasal passage

14.

The movement of oxygen from the alveoli to the blood and from the blood to the tissues is due to the process of...

osmosis

diffusion

cytokinesis

phagocytosis

15.

When the diaphragm contracts and moves down, the lungs are...

expanding with air

shrinking - pushing air out

16.

Gases move from a lower pressure to a higher pressure.

True

False

100 %

Respiratory System

Total questions: 16

Worksheet time: 5mins

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