wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Human Bio Revision - Respiratory + Circulatory

Total questions: 81

Worksheet time: 2hrs 49mins

Name
Class
Date
1.

What is the main function of the respiratory system?

a)

to provide oxygen and remove carbon dioxide from the body

b)

o break down food and absorb nutrients

c)

to remove oxygen from the body and deliver carbon dioxide

2.

What are the main organs of the respiratory system that allow us to breathe and for gas exchange to happen?

a)

diapragm

b)

lungs

c)

trachea

3.
When you breathe, your lungs take in ___ and remove ___. 
a)
air/oxygen
b)
oxygen/carbon dioxide 
c)
carbon dioxide/waste 
d)
waste/air 
4.
What is the function of the bronchi?
a)
Transport air from nose to lungs
b)
Transport air from trachea to lungs
c)
Transport air from lungs to alveoli
d)
Transport air from alveoli to blood
5.

These are the two two main branches from the trachea (one to each lung)

a)

bronchi

b)

alveoli

c)

capillaries

d)

bronchioles

6.
The air sacs that are covered with capillaries where gas exchange takes place
a)
bronchi
b)
lungs
c)
oxygen
d)
alveoli
7.
Within the lungs, the exchange of oxygen and carbon dioxide occurs between the ___ and the capillaries. 
a)
trachea 
b)
bronchi 
c)
alveoli
d)
diaphragm
8.
What is tube that is also known as your wind pipe?
a)
esophogus
b)
bronchi
c)
trachea
d)
alveoli
9.

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

a)

Pharynx

b)

Trachea

c)

Epiglottis

10.

What type of cells carry oxygen in the blood?

a)

red blood cells

b)

white blood cells

11.
This is a tube about 12cm long with c-shaped rings of cartilage to keep it open
a)
Nasal cavity
b)
Trachea
c)
Mouth Cavity
d)
Pharynx
12.
Passage way that moistens the air and has hairs to trap dust and particles
a)
Nasal cavity
b)
Bronchi
c)
Mouth cavity
d)
Larynx
13.
Alveoli increase the surface area in the lungs to allow...
a)
More nutrients to be absorbed
b)
You to breathe faster
c)
You to breathe slower
d)
More O2 and CO2 to exchange
14.

The respiratory organ in the picture is called ....

a)

lung

b)

trachea

c)

bronchioles

d)

bronchi

15.

The organs in letter a and b are ....

a)

pharynx, trachea

b)

pharynx, larynx

c)

trachea, bronchi

d)

larynx, trachea

16.

The organs in letter a, b, and c are ....

a)

oral cavity, larynx, and pharynx

b)

nasal cavity, larynx, and trachea

c)

nasal cavity, pharynx, and larynx

d)

oral cavity, pharynx, and larynx

17.

The organs in letter d and e are ....

a)

larynx and bronchi

b)

pharynx and bronchioles

c)

trachea and bronchioles

d)

trachea and bronchi

18.

The diaphragm is in letter ....

a)

a

b)

b

c)

c

d)

d

e)

e

19.

The lung is in letter ....

a)

a

b)

b

c)

c

d)

d

e)

e

20.

NUMBER 1:

a)

lungs

b)

pharynx

c)

mouth

d)

alveoli

21.

NUMBER 2:

a)

Pharynx

b)

Bronchi

c)

Alveoli

d)

Lungs

22.

When we breath in the diaphragm...

a)

Contracts

b)

Relaxes

23.

When we breathe out the diaphragm...

a)

Contracts

b)

Relaxes

24.

Which two muscles are responsible for BREATHING?

a)

The Diaphragm

b)

The Lungs

c)

The Heart

d)

The Intercostal Muscles

25.

The pathway of air into the lungs is:

a)
b)
c)
d)
26.

Why does your body need oxygen?

a)

to produce energy

b)

to expel carbon dioxide

c)

to supply the food with oxygen

d)

to fill the lungs with oxygen

27.

What material in a lung model represents the diaphragm

a)

Y plastic tubes

b)

the plastic jar

c)

the plastic sheet

d)

2 small plastic bags

28.

Oxygenated means the blood has a lot of....

a)

Oxygen

b)

Carbon Dioxide

29.

Deoxygenated blood means that the blood is low in...

a)

Oxygen

b)

Carbon Dioxide

30.

Veins are blood vessels containing blood going to the heart

a)

True

b)

False

31.

Arteries are blood vessels with blood flowing from the heart

a)

True

b)

False

32.

The blood obtains the oxygen from which organ?

a)

Brain

b)

Lungs

c)

Heart

d)

Stomach

33.

After the blood leaves the right atrium, it goes to the...

a)

Right Ventricle

b)

Right Atrium

c)

Left Ventricle

d)

Left Atrium

34.

After the right ventricle, the blood goes through the pulmonary artery to...

a)

Lungs

b)

Heart

35.

In the lungs, the blood gets...

a)

Oxygen

b)

Carbon Dioxide

36.

In the lungs, the blood gets rid of...

a)

Oxygen

b)

Carbon Dioxide

37.

After the blood gets oxygen from the lungs, it goes through the pulmonary veins to the heart's....

a)

Right Atrium

b)

Left Ventricle

c)

Right Ventricle

d)

Left Atrium

38.

After the left atrium, the blood goes through the mitral valve to the...

a)

Left Atrium

b)

Left Ventricle

c)

Right Atrium

d)

Right Ventrical

39.

Lastly, the oxygenated blood goes through the ___________ to the rest of the body.

a)

Aorta

b)

Vena Cava

40.

Type of circulation that refers to blood flow from the heart to the lungs and back to the heart again?

a)

Systemic circulation

b)

Renal circulation

c)

Portal circulation

d)

Pulmonary circulation

41.

Type of circulation that refers to the blood flowing through the entire body?

a)

Systemic circulation

b)

Renal circulation

c)

Portal circulation

d)

Pulmonary circulation

42.

The type of blood vessel where exchange of gases, nutrients, and wastes occurs?

a)

arteries

b)

capillaries

c)

veins

43.

The main vein(s) that brings blood to the right atrium?

a)

Aorta

b)

Pulmonary veins

c)

Superior and Inferior vena cava

d)

Jugular vein

44.

The sac that surrounds and protects the heart?

a)

endocardium

b)

epicardium

c)

myocardium

d)

pericardium

45.

Name part N.

a)

Right atrium

b)

left atrium

c)

right ventricle

d)

left ventricle

46.

Name part I.

a)

pericardium

b)

mediastinum

c)

septum

d)

unknownum

47.

Name part A.

a)

Pulmonary artery

b)

Pulmonary vein

c)

Superior vena cava

d)

Aorta

48.

Name part B.

a)

Pulmonary arteries

b)

Pulmonary veins

c)

Superior Vena cava

d)

Aorta

49.

Name part M.

a)

Tricuspid valve

b)

Semilunar valve

c)

Bicuspid valve

d)

Mitral valve

50.

The job of the heart is to . . .

a)

pump blood around the body.

b)

send food to the small intestines.

c)

break down food.

d)

give energy to the body.

51.
The circulatory system works with the ___________ system to provide our body with oxygen.
a)
respiratory
b)
digestive
c)
muscular
d)
skeletal
52.
The main function of the circulatory system is 
a)
To give the body structure and support
b)
Excrete waste
c)
transport blood, nutrients, and gases throughout the body
d)
to transport messages from the body to the brain
53.
The heart has ___ chambers.
a)
1
b)
2
c)
3
d)
4
54.
Identify
a)
Left atrium
b)
Right atrium
c)
Left ventricle
d)
Right ventricle
55.

What makes up around 55% of the blood?

a)

Plasma

b)

Red Blood Cells

c)

White Blood Cells

d)

Platelets

56.

What carries oxygen around the body?

a)

Plasma

b)

Red Blood Cells

c)

Platelets

d)

White Blood Cells

57.

What causes the blood to be the distinct red colour?

a)

Haemoglobin

b)

Glucose

c)

Hormones

d)

Oxygen

58.

What is the function (job) of the platelets?

a)

To form clots (i.e. scabs) when you have cuts and grazes.

b)

To transport oxygen to the muscles

c)

To carry dissolved sugars.

d)

To produce antibodies

59.

What is the function (job) of the white blood cells?

a)

To transport oxygen around the body.

b)

To carry dissolved sugars.

c)

To clot and cover wounds like cuts and grazes.

d)

To release antibodies to help destroy infections.

60.

What is the function (job) of the plasma?

a)

To release antibodies to fight infections.

b)

To transport oxygen around the body.

c)

To carry dissolved nutrients and sugars.

d)

To transport oxygen around the body.

61.

What is the function (job) of the red blood cells?

a)

To transport oxygen around the body and to the muscles.

b)

To release antibodies to fight infections.

c)

To carry dissolved nutrients and sugars.

d)

To clot and form scabs if there is a wound on the body.

62.

Which blood vessel has valves to prevent the back-flow of blood?

a)

Veins

b)

Arteries

c)

Capillaries

63.

What is blood made of?

a)

oxygen and plasma

b)

red blood cells and white blood cells

c)

plasma, red blood cells, white blood cells, and platelets.

d)

plasma and platelets

64.

What is plasma?

a)

only white blood cells

b)

only red blood cells

c)

fluid part of blood

d)

hemoglobin

65.
This part of blood helps it clot, when you get cut.
a)
Red blood cells
b)
Plasma
c)
Platelets
d)
White blood cells
66.
These blood cells are the protectors and help fight off disease.
a)
Red blood cells
b)
White blood cells
c)
Plasma
d)
Platelets 
67.
These blood cells deliver oxygen to the parts of the body.
a)
Red
b)
White
c)
Patelets
d)
Plasma
68.
The cheerios in this picture are representing?
a)
Red blood cells
b)
White blood cells
c)
Pasma
d)
Platelets
69.
In this picture the white blood cells are represented by?
a)
Cheerios
b)
marshmallows
c)
yellow die
d)
pom pom balls
70.
What does blood transport?
a)
Nutrients
b)
Oxygen 
c)
Carbon Dioxide
d)
All of the above
71.

The force of blood pushing on walls of arteries.

a)

antigens

b)

blood type

c)

blood pressure

d)

dark matter

72.

What can happen if you receive the wrong blood type?

a)

It changes your blood type.

b)

You might need new white blood cells.

c)

your cells will clump together and you could die.

d)

You will get too much oxygen.

73.

How many blood vessel types do humans have?

a)

4

b)

5

c)

3

d)

2

74.

Human blood vessels are

a)

artries, capillaries, and atria

b)

ventricles, atria and pulmonary veins

c)

capillaries, artries, and veins

d)

veins, artries, and aorta

75.

The thickest and strongest blood vessel is the

a)

vein

b)

artery

c)

capillary

d)

both veins and capillaries

76.

The blood vessel that has valves at intervals...

a)

capillary

b)

artery

c)

vein

d)

none of the above

77.

Valves in veins

a)

support them

b)

protect them

c)

prevent the backward movement inside them

d)

provide them elesticity

78.

which of the blood vessels do you think have greatest blood pressure

a)

veins

b)

capillaries

c)

atria

d)

arteries

79.

These are one cell thick

a)

arteries

b)

capillaries

c)

veins

80.

In order for oxygen to be transported in your body, it is bound (attached) to:

a)

Ferratonin

b)

Haemoglobin

c)

Myoglobin

d)

Batmanoglobin

81.

Carbon Dioxide travels through the body, in the plasma, in the form of

a)

a choo choo train

b)

bicarbonate ions in the plasma

c)

Carbon ions

d)

Floating in the plasma