Name:_______________________________________Date:_______________________
The Respiratory System
Unit Evaluation
Part A: Matching
Directions: Match the correct letter with the appropriate numbered question. Write
the letter on the line next to the question. When a letter has been chosen,
cross it out so you know it has been used.
Example: ____1.) A gas that is breathed in and breathed
out in the same amounts.
Questions
_____ 1.) The muscle below the lungs that moves up and
down so we can breathe is the _____________.
_____ 2.) When air first enters the body, it passes through
the ____________.
_____ 3.) Another name for the windpipe is __________.
_____ 4.) These are the organs in the respiratory system
that expand and contract (get smaller) as you
breathe in air.
_____ 5.) An uncontrolled action or something you do
without thinking about it is a ______________.
_____ 6.) The organ system responsible for bringing
important gases, such as oxygen to cells.
_____ 7.) Another name for the throat is _____________.
_____ 8.) This takes the air from your windpipe and spreads
it through the lungs. It has earned the nickname
"tree" because of the way it looks.
_____ 9.) This vibrates as you speak and is also called the
voice box.
____ 10.) Millions of these are found in the lungs. They
exchange gases between the lungs and the blood
stream.
A.) Oxygen
B.) Nitrogen
Choices
A.) reflex
B.) oxygen
C.) respiratory system
D.) pharynx
E.) alveoli
F.) nose
G.) larynx
H.) lungs
I.) emphysema
J.) trachea
K.) diaphragm
L.) bronchial tree/tubes
M.) circulatory system
N.) cough
Part B: Fill in the Blank
Directions: Using the word bank, fill in the blanks with the correct answer. Be sure
to spell the words correctly, using capitals when necessary.
1.) Smoke from chemicals in cigarettes can turn pink lungs __________________.
2.) Most of the ______________________ gas that we breathe out is a waste product
of our cells.
3.) Breathing out or ___________________ is another word for getting rid of air.
4.) ____________ are tiny hairs inside the nose and lungs that help trap dust and bacteria.
5.) ____________________ is a common kind of cancer that is found in the lungs of
smokers.
6.) _______________ is a gas that our cells use to make energy.
7.) Another word for breathing in or taking in air is _______________.
8.) A long tube that connects the mouth to the lungs is the __________________.
9.) The place where the passageways of the nose and mouth meet is called the
___________________, or throat.
10.)________________________ is a disease caused by smoking during which people
cannot breathe well enough to lead normal lives.
*Word Bank*
blue
oxygen
nitrogen
pharynx
inhale
exhale
black
gray
carbon dioxide
lung cancer
trachea
cilia
emphysema
larynx
diaphragm
Part C: Short Essay
Directions: Using complete sentences answer the questions to the best of your
knowledge.
1.) What are three harmful affects of smoking on the body?
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2.) How does oxygen get into our cells?
______________________________________________________________________
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3.) Put the words below in the order that air enters the body (you do NOT have to
use complete sentences on this).
1.) ________________________________________
2.) ________________________________________
3.)________________________________________
4.)________________________________________
5.)________________________________________
6.)________________________________________
7.)________________________________________
8.)________________________________________
alveoli
bronchial tubes
nose
bronchi
trachea
red blood cells
pharynx
blood stream
Part D: Labeling
Directions: Label the following on the diagram below. Since the words are given to
you, spelling DOES count!
larynx
nose
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lungs
bronchial tubes
pharynx
trachea
alveoli
bronchi