wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

The Gas exchange

Total questions: 15

Worksheet time: 14mins

Name
Class
Date
1.

What part of the respiratory system is shown in the picture?

a)

trachea

b)

lungs

c)

alveoli

d)

pharynx

2.

What happens to the epiglottis if you swallow a food or drink a fluid?

a)

it closes

b)

it opens

c)

it remains immobile

d)

nothinh happens

3.

What part of the larynx produces your voice through air vibration?

a)

Adam's apple

b)

vocal cords

c)

tonsils

d)

trachea

4.

The following are the functions of the nasal cavity, except:

a)

Warms and humidifies the inspired air.

b)

Responsible for sense of smell.

c)

Removes and traps pathogens and particulate matter from the inspired air.

d)

Responsible in the transport of oxygen to the blood

5.

When a particle enters your respiratory system, what is the initial reaction of your body to expel the foreign substance?

a)

sneezing and coughing

b)

sleeping

c)

increase of blood pressure

d)

decrease in hormones

6.

Which of the following gas exchange mechanism refers to the exchange of oxygen and carbon dioxide between the blood and the body cells?

a)

Breathing

b)

External Respiration

c)

Internal Respiration

d)

Internal Respiration

7.

How many lobes are there in your left lung?

a)

1

b)

2

c)

3

d)

4

8.

What is the main function of the respiratory system?

a)

to remove nitrogen waste from the body

b)

to clean the blood

c)

to break down food and absorb nutrients

d)

to provide oxygen and remove carbon dioxide from the body

9.

What is the scientific term for the tube that is commonly known as your wind pipe?

a)

esophogus

b)

bronchi

c)

trachea

d)

alveoli

10.

What are bronchi?

a)

connects the brain and spinal cord

b)

connects the right and left cerebral hemispheres of the brain

c)

structures that stores bile used to digest lipids

d)

2 short tubes that branch off of the lower end of the trachea and carry air to the lungs

11.

What is the pharynx?

a)

the voice box that contains the vocal cords

b)

a common passage way for air, food, liquid; commonly called the throat

c)

a structure located in the brainstem

d)

a body tissue that protects the epithelium of a person

12.

When you breathe, your lungs take in ___ and remove ___.

a)

air/oxygen

b)

oxygen/carbon dioxide

c)

carbon dioxide/waste

d)

waste/air

13.

What is the site of gas exchange?

a)

alveoli

b)

bronchus

c)

nose

d)

trachea

14.

What is the name of two main branches from the trachea (one to each lung)?

a)

bronchi

b)

alveoli

c)

capillaries

d)

bronchioles

15.

Given the following structures:

1. alveoli

2. bronchi

3. bronchioles

Which of the following is the correct order in which air would flow after inhalation?

a)

1,2,3

b)

2,1,3

c)

2,3,1

d)

3,2,1