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Worksheets

Cardiovascular and Respiratory system

Total questions: 40

Worksheet time: 20mins

Name
Class
Date
1.

What is the function of the cardiovascular system?

a)

Break down food for nutrients.

b)

Carry materials like gasses, nutrients, and waste around the body.

c)

Movement of body parts.

d)

Collect information and respond with electrical messages.

2.

What type of blood vessel returns blood back to the heart?

a)

vein

b)

artery

c)

capillary

d)

none of the above

3.

What type of blood vessels brings blood AWAY from the heart?

a)

Vein

b)

Artery

c)

Capillary

d)

None of the above

4.

Which component of blood helps deliver oxygen with the protein hemoglobin?

a)

Platelet

b)

White Blood Cell

c)

Red Blood Cell

d)

Plasma

5.

Which component of blood helps stop bleeding and forms clots?

a)

Platelets

b)

White Blood Cell

c)

Red Blood Cell

d)

Plasma

6.

How many chambers (rooms) are in a human heart?

a)

1

b)

2

c)

3

d)

4

7.

What correctly describes the BOTTOM chambers of the heart?

a)

Atrium: collect blood coming back to the heart

b)

Atrium: pump blood out to the body or lungs

c)

Ventricles: collect blood coming back to the heart

d)

Ventricles: pump blood out to the body or lungs

8.

From the RIGHT ATRIUM, where does blood flow next?

a)

Right ventricle

b)

Left atrium

c)

Aortra

d)

Pulmonary arteries

9.

Which chamber of the heart is this arrow pointing to?

a)

Right Atrium

b)

Left Atrium

c)

Right Ventricle

d)

Left Ventricle

10.

The aorta is a large blood vessel that carries oxygen-rich blood from the left ventricle out to the body. What type of blood vessel is the aorta?

a)

artery

b)

vein

c)

capillary

d)

vena cava

11.

What is the main function of the respiratory system?

a)

break down food for nutrients

b)

produce hormones (chemical messages)

c)

Structure, support, and protection of body parts.

d)

Bring in oxygen to the body and get rid of carbon dioxide.

12.

What are the tiny air sacs in the lungs that exchange gases (oxygen for carbon dioxide)?

a)

capillary

b)

bronchi

c)

alveoli

d)

bronchiole

13.

What is the dome shaped muscle in the respiratory system that helps control breathing by contracting and relaxing?

a)

diaphragm

b)

biceps

c)

trachea

d)

pharynx

14.

On this picture of the respiratory system, what organ is letter A?

a)

Alveoli

b)

Bronchus (Bronchi)

c)

Nose

d)

Pharynx

15.

On this picture of the respiratory system, what organ is letter B?

a)

Alveoli

b)

Bronchus (Bronchi)

c)

Trachea

d)

Lung

16.

On this picture of the respiratory system, what organ is letter C?

a)

Alveoli

b)

Bronchus (Bronchi)

c)

Trachea

d)

Lung

17.

What is the dome shaped muscle in the respiratory system that helps control breathing by contracting and relaxing?

a)

diaphragm

b)

biceps

c)

trachea

d)

pharynx

18.
Which of the following is NOT a chamber of the heart?
a)
Superior ventricle
b)
Right atrium
c)
Left atrium
d)
Right ventricle
19.
Deoxygenated blood from the body enters what chamber of the heart?
a)
Right atrium
b)
Left atrium
c)
Left ventricle
d)
Right ventricle
20.

What is Tidal volume?

a)

The volume of air breathed in and out during one breath

b)

The maximal amount of air a person can expel

c)

The amount of blood pumped from the heart

d)

The additional air that can be forcibly inhaled after normal inspiration

21.

The maximum amount of air exhaled following a maximum inhalation

a)

Vital Capacity

b)

Total Lung Capacity

c)

Residual Volume

d)

Inspiratory Reserve Volume

22.

During exercise, the frequency of breathing...

a)

Increases

b)

Remains the same

c)

Decreases

d)

Stops

23.

What is the function of veins?

a)

Transport deoxygenated blood

b)

Transport oxygenated blood

c)

Site for exchange of materials

24.

What is the function of arteries?

a)

Transport deoxygenated blood

b)

Transport oxygenated blood

c)

Site for exchange of materials

25.

What is the function of valves?

a)

To prevent mixing of oxygenated and deoxygenated blood

b)

To transport blood in one direction

c)

To prevent backflow of blood

26.

You breathe in __________ and breathe out _________.

a)

oxygen, carbon dioxide

b)

carbon dioxide, oxygen

c)

nitrogen, carbon dioxide

d)

oxygen, carbon monoxide

27.

What is the medical terminology prefix for heart?

a)

Hemo-

b)

Itis-

c)

Cardio-

d)

Cerdio-

28.

The right atrium and the right ventricle are separated by the _________.

a)

Mitral valve

b)

Tricuspid valve

c)

Bicuspid valve

d)

Pulmonary valve

29.

Capillaries are the smallest blood vessel type.

a)

True

b)

False

30.

Which part of the throat contains our vocal cords?

a)

Pharynx

b)

Larynx

c)

Sinuses

d)

Trachea

31.

What flat structure sits below your lungs and helps you breathe?

a)

Trachea

b)

Ribs

c)

Diaphragm

d)

Abdomen

32.

Please name structure #9

a)

Right lung

b)

Left lung

c)

Trachea

d)

Diaphragm

33.

Brings blood to the heart from the upper portion of the body.

a)

pulmonary artery

b)

superior vena cava

c)

pulmonary vein

d)

inferior vena cava

34.

Valve between the left atrium and the left ventricle.

a)

tricuspid valve

b)

mitral valve

c)

pulmonary valve

d)

aortic valve

35.

Valve between the left ventricle and the aorta.

a)

aortic valve

b)

pulmonary valve

c)

tricuspid valve

d)

mitral valve

36.

Blood in the right atrium:

a)

Oxygenated

b)

Deoxygenated

37.

Blood in the left ventricle:

a)

Oxygenated

b)

Deoxygenated

38.

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

39.

The composition of the oxygen in inhaled air is

a)

20%

b)

16%

c)

4%

d)

0.04%

40.

The composition of carbon dioxide in exhaled air is

a)

79%

b)

21%

c)

4%

d)

0.04%