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7th Grade - Chapter 15 - 5th Edition

Total questions: 32

Worksheet time: 16mins

Name
Class
Date
1.

During a strenuous workout, which of the following tells your body to increase your breating rate

a)
the amount of oxygen in your blood
b)
the amount of carbon dioxide in your blood
c)
the number of alveoli in your body
d)
the shape of your diaphragm
2.
Which structure prevents food from entering your lungs when you swallow?
a)
larynx
b)
nasal cavity
c)
pharynx
d)
trachea
3.
Which structure, also known as the windpipe, is the main passageway to your lungs?
a)
esophagus
b)
larynx
c)
pharynx
d)
trachea
4.

Which of the following sequences correctly represents the pathway of air as it travels through the respiratory structures?

a)
nasal cavity → larynx → alveoli → bronchus → trachea
b)
nasal cavity → larynx → bronchus → trachea → alveoli
c)
nasal cavity → trachea → larynx → bronchus → alveoli
d)
nasal cavity → larynx → trachea → bronchus → alveoli
5.
When your diaphragm contracts,
a)
you inhale
b)
you exhale
c)
your chest cavity enlarges
d)
you inhale and your chest cavity enlarges
e)
you exhale and your chest cavity enlarges
6.
The muscular chambers that pump blood to the lungs or body are the ___.
a)
atria
b)
aortas
c)
valves
d)
ventricles
7.
What is the purpose of valves?
a)
to allow blood to flow away from the heart
b)
to allow blood to travel to and from the lungs
c)
to prevent blood from flowing in the wrong direction
d)
to pump blood in the right direction
8.
Most blood cells are formed in the
a)
bone marrow
b)
heart
c)
pancreas
d)
plasma
9.
Which cellular structure is missing in red blood cells?
a)
cell membrane
b)
endoplasmic reticulum
c)
hemoglobin
d)
nucleus
10.
Which blood component provides defense against foreign substances?
a)
hemoglobin
b)
red blood cells
c)
white blood cells
d)
platelets
11.
What is the fluid portion of the blood?
a)
hemoglobin
b)
lymph
c)
platelets
d)
plasma
12.
The pulmonary arteries and pulmonary veins connect the heart and
a)
brain
b)
liver
c)
lungs
d)
lymphatic system
13.

Which of the following is responsible for delivering oxygen and removing carbon dioxide from cells through the body.

a)
alveoli circulation
b)
lymphatic circulation
c)
pulmonary circulation
d)
systemic circulation
14.
Which structure of the lymphatic system recycles red blood cells and produces which blood cels
a)
lymph nodes
b)
plasma
c)
spleen
d)
thymus
15.
Carbon dioxide and oxygen pass between the alveoli and capillaries by diffusion.
a)
true
b)
false
16.
You exhale when your diaphragm and rib muscles contract to force the air out.
a)
true
b)
false
17.
Arteries branch into small vessels called veins.
a)
true
b)
false
18.
More than half of your blood is made up of plasma.
a)
true
b)
false
19.
Your pulse measures how quickly your heart is beating.
a)
true
b)
false
20.
Your thymus continues to enlarge as you age.
a)
true
b)
false
21.
Blood vessels that carry blood away from the heart are called ___
a)
arteries
b)
platelets
c)
blood pressure
22.
A blood clot forms when ___ clump together.
a)
platelets
b)
arteries
c)
blood pressure
23.
The pressure of circulating blood against the walls of the arteries is called ___.
a)
blood pressure
b)
arteries
c)
platelets
24.

What part is letter C?

a)

Trachea

b)

Bronchi

c)

Lungs

d)

Alveoli

25.

What part is letter F?

a)

Trachea

b)

Bronchi

c)

Lungs

d)

Alveoli

26.

What part is letter B?

a)

Trachea

b)

Larynx

c)

Lungs

d)

Alveoli

27.

What part is letter E?

a)

Trachea

b)

Larynx

c)

Lungs

d)

Alveoli

28.

What part is letter D?

a)

Diaphragm

b)

Larynx

c)

Lungs

d)

Alveoli

29.

What is the function of parts C and J?

a)

pump blood out of the heart

b)

receive blood from the body

c)

prevent a back flow of blood into the heart

d)

are involved in pulmonary action

e)

is the aorta

30.

What is the function of parts A and I?

a)

pump blood out of the heart

b)

receive blood from the body

c)

prevent a back flow of blood into the heart

d)

are involved in pulmonary action

e)

is the aorta

31.

What is part E?

a)

pump blood out of the heart

b)

receive blood from the body

c)

prevent a back flow of blood into the heart

d)

are involved in pulmonary action

e)

the aorta

32.

What is the function of parts F and G?

a)

pump blood out of the heart

b)

receive blood from the body

c)

prevent a back flow of blood into the heart

d)

are involved in pulmonary action

e)

is the aorta

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