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Worksheets

Respiratory and Circulatory Systems

Total questions: 50

Worksheet time: 25mins

Name
Class
Date
1.
The respiratory system is the body system in which _______ exchange takes place.
a)
blood
b)
gas
c)
nutrients
d)
waste
2.
This is an image of the alveoli in the lungs.
a)
True
b)
False
3.
Which is the correct pathway of air into the respiratory system?
a)
nose and mouth, pharynx, trachea, bronchi, bronchioles, alveoli
b)
nose and mouth, bronchi, trachea, pharynx, bronchioles, alveoli
c)
alveoli, bronchioles, bronchi, trachea, pharynx, nose and mouth
d)
pharynx, nose and mouth, bronchioles, bronchi, trachea, alveoli
4.
The heart is a muscular pump, about the size of your ______, that keeps the blood moving to every part of the body.
a)
foot
b)
fist
c)
face
d)
finger
5.
In which structure of the respiratory system does gas exchange take place?
a)
trachea
b)
bronchioles
c)
pharynx
d)
alveoli
6.
Which is the correct sequence of blood flow through the heart and lungs?
a)
left ventricle, left atrium, lungs, right ventricle, right atrium
b)
right atrium, right ventricle, lungs, left atrium left ventricle
c)
lungs, right atrium, right ventricle, left atrium, left ventricle
d)
right atrium, right ventricle, left atrium, left ventricle, lungs
7.

What is included in the respiratory system?


Select ALL that apply.

a)

nose

b)

trachea

c)

lungs

d)

diaphragm

8.

What are the functions of the respiratory system?


Select ALL that apply.

a)

provides oxygen for your cells

b)

removes CO2 and H2O when you exhale

c)

carries oxygen and nutrients

d)

provides shape and support for muscles

9.

What is included in the circulatory system?


Select ALL that apply.

a)

veins

b)

capillaries

c)

heart

d)

arteries

10.

What are the functions of the circulatory system?


Select ALL that apply.

a)

carries oxygen and nutrients to cells

b)

carries waste away from cells

c)

works with respiratory system to provide oxygen and get rid of wastes

d)

removes CO2 and H2O when you exhale

11.

when your rib muscles and diaphragm contract or relax to allow air in or out

a)

alveoli

b)

breathing

c)

cartilage

d)

cell

e)

homeostasis

12.

a system that moves oxygen from the outside environment into the body

a)

involuntary

b)

respiratory

c)

skeletal

d)

skin

e)

voluntary

13.
The two larger types of blood vessels are:
a)
heart and lungs
b)
arteries and heart
c)
arteries and veins
d)
veins and heart
14.
When you breathe, your lungs take in ___ and remove ___. 
a)
air/oxygen
b)
oxygen/carbon dioxide 
c)
carbon dioxide/waste 
d)
waste/air 
15.
Which system works closely with the respiratory system?
a)
skeletal system
b)
circulatory system
c)
excretory system
d)
digestive system
16.
What are the main organs of the respiratory system?
a)
muscles
b)
lungs
c)
nose and mouth
d)
bronchi
17.
What is the main function of the heart ? 
a)
The heart circulates blood and oxygen throughout the body.
b)
The heart is the control centers for all body activities.
c)
The heart gets rid of the wastes in your body produced by homeostasis. 
d)
The heart adds oxygen to the blood
18.
Which does not make up the circulatory system?
a)
heart
b)
blood
c)
lungs
d)
blood vessels
19.
The heart pumps blood to get ________ to our cells.
a)
carbon dioxide
b)
urea
c)
oxygen
20.
What is the main organ in the circulatory system?
a)
vein
b)
lung
c)
heart
d)
aorta 
21.
What happens when the organs such as the nose, throat , voice box , wind pipe, and the lungs work together?  
a)
They create the circulatory system.  
b)
They create esophagus and trachea.  
c)
When all of the organs work together they create the  external organ known to be the nose.  
d)
They help create the Respiratory System which then helps us to breathe. 
22.
Carry blood away from heart; mostly oxygen-rich
a)
Arteries
b)
Veins
c)
Capillaries
23.
Which is the correct definition of the Circulatory system?
a)
The system fights disease so the body stays healthy.
b)
The system that circulates blood and oxygen through the body, consisting of the heart,blood vessels,and blood.
c)
Breaks down food into smaller pieces and absorbs those nutrients into the body.
d)
Provides shape and structure for the body.
24.
What function does the heart do?
a)
Protects organs and produces red blood cells.
b)
Generates heat.
c)
Breaks down food into nutrients.
d)
The heart is a pump, which moves the blood. The arteries and veins are the pipes where the blood flows.
25.

When we breath in the diaphragm...

a)

Contracts

b)

Relaxes

26.

When we breathe out the diaphragm...

a)

Contracts

b)

Relaxes

27.

The circulatory system moves blood around the body through the...

a)

Head

b)

Heart

c)

Lungs

d)

Stomach

28.

The circulatory system consists of the heart, blood vessels and...

a)

blood

b)

oxygen

c)

nutrients

d)

cells

29.

This passageway is part of both the respiratory and digestive system.

a)

Larynx

b)

Pharynx

c)

Nasal cavity

d)

Trachea

30.

The ____________ carries air to the left and right bronchus.

a)

Esophagus

b)

Bronchioles

c)

Alveoli

d)

Trachea

31.

The small tree-like branches coming off the right and left bronchus are the ________.

a)

Trachea

b)

Branches

c)

Bronchioles

d)

Pharynx

32.

The muscular organ that holds the vocal chords is the________.

a)

Epiglottis

b)

Pharynx

c)

Larynx

d)

Trachea

33.

The small flap of cartilage that closes when food passes is called the ________.

a)

Epiglottis

b)

Valve

c)

Trachea

d)

Bronchioles

34.

The heart contain four chambers. Which answer is correct.

a)

One atrium is in the upper part of the heart, and one is in the lower part of the heart.

b)

The two ventricles are in the upper part of the heart.

c)

There are 3 atriums in the upper part of the heart and 1 ventricle in the bottom.

d)

The 2 atriums are in the upper part of the heart and the 2 ventricles in the bottom.

35.

How many valves are within the heart?

a)

3

b)

4

c)

5

d)

6

36.
What does blood transport?
a)
Nutrients
b)
Oxygen 
c)
Carbon Dioxide
d)
All of the above
37.

The small blood vessels where exchange of O2 and CO2 occurs are called...

a)

arteries

b)

capillaries

c)

veins

d)

heart

38.

What type of blood vessel carries blood towards the heart?

a)

Vein

b)

Artery

c)

Capillary

d)

Tube

39.

Arteries carry (almost always) oxygenated blood

a)

Towards the heart

b)

Towards the lungs

c)

Away from the heart

d)

Away from the lungs

40.

Which part of the blood carries oxygen in a protein called hemoglobin?

a)

White Blood Cells

b)

Red Blood Cells

c)

Platelets

d)

Plasma

41.

Which part of the blood helps form a clot?

a)

White Blood Cells

b)

Red Blood Cells

c)

Platelets

d)

Plasma

42.

If you are sick, which part of your blood would there be more of?

a)

White Blood Cells

b)

Red Blood Cells

c)

Platelets

d)

Plasma

43.

Why are capillaries important to the circulatory system?

a)

The breakdown of food into usable nutrients occurs there

b)

The movement of muscles to perform locomotion occurs there

c)

The exchange of materials between the blood and body cells occurs there

d)

The pumping of blood occurs there

44.

What is the name of #7?

a)

Trachea

b)

Bronchi

c)

Pharynx

d)

Alveoli

45.

What is the name of #3?

a)

Bronchi

b)

Trachea

c)

Bronchioles

d)

Mouth

46.

What is the name of #6?

a)

Bronchioles

b)

Trachea

c)

Pharynx

d)

Alveoli

47.

What is the name of #10?

a)

Alveoli

b)

Bronchioles

c)

Trachea

d)

Bronchi

48.

What is the name of #5?

a)

Vena cava

b)

Right atrium

c)

Aorta

d)

Left ventricle

49.

What is the name of #9?

a)

Left Ventricle

b)

Right Ventricle

c)

Left Atrium

d)

Right Atrium

50.

What happens in the lungs?

a)

Carbon dioxide goes into the blood and oxygen leaves the blood

b)

Carbon dioxide and oxygen go into the blood

c)

Oxygen goes into the blood and carbon dioxide leaves the blood

d)

Oxygen and carbon dioxide leave the blood