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The Respiratory System

Total questions: 13

Worksheet time: 13mins

Name
Class
Date
1.

Which of these answers is the correct order in which air gets into the alveoli

a)

Mouth/nose - Bronchus - Bronchiole - Trachea - Alveoli

b)

Mouth/nose - Diaphragm - Small Intestine - Alveoli

c)

Mouth/nose - Trachea - Bronchus - Bronchiole - Alveoli

d)

Mouth/nose - Bronchiole - Trachea - Large Intestine - Alveoli

2.

What is the function of the epiglottis ?

a)

To make you sleep better

b)

To prevent food going down your trachea "windpipe"

c)

To prevent air pollution

d)

The epiglottis has no function

3.

The larynx is also known as your..

a)

Voice box

b)

Heart strings

c)

Beat box

d)

Diaphragm

4.

The alveoli are surrounded by which type of blood vessel

a)

they arent surrounded by anything

b)

veins

c)

arteries

d)

capillaries

5.

The diaphragm is..

a)

The heart muscle

b)

The muscle that contracts and relaxes to allow air in and out of our lungs

c)

The muscles in between our ribs

d)

Our voice box

6.

When we inhale what happens our lungs?

a)

They explode

b)

They contract

c)

They expand

d)

They don't change at all

7.

The gaseous exchange that takes place in the alveoli is an exchange of 2 gases, what are the 2 gases?

a)

Helium and methane

b)

Oxygen and carbon dioxide

c)

Oxygen and hydrogen

d)

Carbon dioxide and helium

8.

In an experiment carried out in class we tested for the presence of carbon dioxide in exhaled air..what was the name of the solution we breathed into?

a)

Milk

b)

Sodium chloride

c)

Limewater

d)

Melonwater

9.

When the limewater turned a milky white colour, what did this tell us?

a)

That carbon dioxide was in the air we exhaled

b)

That carbon dioxide was not is the air we exhaled

c)

It didnt tell us anything

10.

To measure out the limewater we used this piece of equipment, what is it called?

a)

A glass cylinder

b)

A graduated cylinder

c)

A graduation cap

d)

Thats just a normal beaker

11.

Once oxygen has entered the blood in the capillaries, where does it go?

a)

Nowhere, it just stays put

b)

It goes to the heart to be pumped around the body to all the organs

c)

We just breathe out the oxygen straight away, we dont need it

d)

It only goes to our head

12.

What is the purpose of the ribcage?

a)

To protect our brains

b)

To ensure we have good sense of smell

c)

To protect our organs like our heart, lungs, stomachs and more

d)

It doesn't have any purpose

13.

The muscles in between the ribs are called?

a)

The interchanging muscles

b)

The intercostal muscles

c)

The cardiac muscles

d)

The diaphragm muscles