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Respiratory System

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.
When you breathe, your lungs take in ___ and remove ___. 
a)
air/oxygen
b)
oxygen/carbon dioxide 
c)
carbon dioxide/waste 
d)
waste/air 
2.
The air sacs that are covered with capillaries where gas exchange takes place
a)
bronchi
b)
lungs
c)
oxygen
d)
alveoli
3.

Flap of tissue that covers the opening to the windpipe during swallowing

a)

Pharynx

b)

Trachea

c)

Epiglottis

4.

What is the site of gas exchange?

a)

alveoli

b)

nose

c)

lung

d)

bronchi

5.

Which part of the Respiratory System plays a major role in speech?

a)

nose

b)

pharynx

c)

larynx

d)

trachea

6.
The two main branches from the trachea (one to each lung)
a)
bronchi
b)
alveoli
c)
capillaries
d)
bronchioles
7.
Name the organ label # 6. 
a)
alveoli 
b)
bronchi 
c)
trachea 
d)
lungs 
8.

The "windpipe" is also called the...

a)

trachea

b)

bronchi

c)

bronchioles

d)

alveoli

9.

tiny, hairlike projections in the airway that move in a wavelike manner.

a)

alveoli

b)

cilia

c)

trachea

d)

lungs

10.

Where does the transfer of oxygen into the bloodstream take place?

a)

In the heart

b)

In the trachea

c)

In the alveoli

d)

In the nasal passages

11.

The walls of the alveoli and capillaries are permeable. What does this mean?

a)

Substances can pass through them.

b)

They are made of muscle.

c)

They are located throughout the body.

d)

They are made of bone.

12.

What is the dome-shaped muscle beneath the lungs that helps us breathe.

a)

diagram

b)

dialysis

c)

diaghragm

d)

diorama

13.

Cellular respiration uses glucose and __________ to make energy.

a)

carbon dioxide

b)

glucose

c)

oxygen

d)

mitochondria

14.

When we breath in the diaphragm...

a)

Contracts

b)

Relaxes

15.

When we breathe out the diaphragm...

a)

Contracts

b)

Relaxes

16.
What are these?
a)
Stomach
b)
Esophagus
c)
Lungs
d)
Mouth
17.

The respiratory system takes in oxygen and gives out _____

a)

Carbon dioxide

b)

More oxygen

c)

Air and nutrients

18.

Where do we have our vocal cords?

a)

In the larynx

b)

In the pharynx

c)

In the trachea

d)

In the mouth

19.

When we inhale, the rib cage _________________.

a)

flattens

b)

moves up and out

c)

moves downwards

d)

the rub cage cannot move

20.

When we exhale, the diaphragm ....

a)

relaxes

b)

contracts

c)

flattens

d)

stays the same