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Circulatory system

Total questions: 30

Worksheet time: 14mins

Name
Class
Date
1.

The upper part of the heart is made up of two chambers called what?

a)

Ventricles

b)

Atria

2.

Which of the following is NOT a function of the circulatory system?

a)

circulate blood

b)

regulate calcium production

c)

carry nutrients and hormones through blood stream

d)

deliver oxygen to tissues

3.

What are veins?

a)

they carry blood away from the heart

b)

they carry blood to the heart

c)

they exchange gasses

d)

they release hormones into the bloodstream

4.

The heart is about the size and shape of your . . .

a)

head

b)

fist

c)

hand

d)

foot

5.
The circulatory system works with the ___________ system to provide our body with oxygen.
a)
respiratory
b)
digestive
c)
muscular
d)
skeletal
6.
The circulatory system works with the __________ system to obtain energy from nutrients that we eat. 
a)
respiratory 
b)
digestive
c)
skeletal
d)
nervous
7.
______________ are the smallest blood vessels.
a)
Arteries
b)
Veins
c)
Capillaries
8.
Identify
a)
Left atrium
b)
Right atrium
c)
Left ventricle
d)
Right ventricle
9.

This chamber of the heart RECEIVES oxygen rich blood back from the lungs

a)

Right Atrium

b)

Left Atrium

c)

Right Ventricle

d)

Left Ventricle

10.

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

11.
What is pulmonary circulation?
a)
Blood travelling to and from the lungs
b)
Blood travelling to and from the body
c)
A blood clot in the lungs
d)
The vessel that brings blood to the lungs
12.
Which is NOT a function of the circulatory system?
a)
deliver O2 and nutrients to cells
b)
remove CO2 and wastes from cells
c)
break down carbohydrates into glucose
d)
transport other materials through body
13.

_______ function in the life-saving process of clotting blood.

a)

Red blood cells

b)

White blood cells

c)

Plasma

d)

Platelets

14.

True or false:

Blood traveling in veins is blue.

a)

True

b)

False

15.

True or false:

Arteries always carry oxygenated blood.

a)

True

b)

False

16.

The blood in the vena cava is...

a)

oxygenated, returning to the heart

b)

deoxygenated, returning to the heart

c)

oxygenated, leaving the heart

d)

deoxygenated, leaving the heart

17.

Which type of vessel generally has the thickest wall?

a)

Vein

b)

Arteriole

c)

Artery

d)

Capillary

18.

Which type of vessel has the largest lumen?

a)

Vein

b)

Arteriole

c)

Artery

d)

Capillary

19.

Veins have valves. What is the function of this structure?

a)

Regulate blood flow

b)

Maintain high pressure

c)

Prevent back-flow of blood

d)

Stretch and Recoil

20.

What causes the blood to be the distinct red colour?

a)

Haemoglobin

b)

Glucose

c)

Hormones

d)

Oxygen

21.

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.

22.

What is plasma?

a)

only white blood cells

b)

only red blood cells

c)

fluid part of blood

d)

hemoglobin

23.
Where pressure is the highest
a)
arteries closest to the heart
b)
veins closest to the heart
c)
capillaries
d)
venules
24.

What are present in veins but absent in arteries?

a)

smooth elastic tissues

b)

muscular tissues

c)

valves

25.

What is a pulse point?

a)

Location where the heart is beating

b)

Location where the blood is flowing in the arteries

c)

Location where arteries are very close to skin surface

d)

Location where veins are very close to skin surface

26.

What is the unit of measuring pulse rate?

a)

degree Celsius (oC)

b)

frequency (Hz)

c)

beats per minute (bpm)

d)

millimetres of mercury (mm Hg)

27.

You will have lower pulse rate when you are jogging but higher pulse rate when you are running.

a)

True

b)

False

c)

Both jogging and running will give same pulse rate

28.

How does physical exercise temporarily affect the pulse?

a)

Increases the pulse rate

b)

Decreases the pulse rate

c)

Has no effect

d)

Results in a dysrhythmia

29.

What is heart rate?

a)

Oxygen going to the heart

b)

The number of times your heart beats in a minute

c)

Blood pumping though the body

d)

Carbon dioxide leaving the body

30.

Can we measure any pulse at the location as shown in the diagram?

a)

Yes

b)

No