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2.4: The circulatory system

Total questions: 33

Worksheet time: 19mins

Name
Class
Date
1.

The ...................... system is made up of:

1. Heart.

2. Blood.

3. Blood vessels.

a)

circulatory

b)

digestive

c)

nervous

2.

Greek philosopher called ............................. said that the heart made blood and pumped it to every part of the body, where it was used up.

a)

William Harvey

b)

Galen

c)

Ibn al-Nafis

3.

.................................... explanation was that the same blood must keep going round and round

a)

William Harvey

b)

Galen

c)

Ibn al-Nafis

4.

Your heart is made of .........................

a)

nerves.

b)

capillaries.

c)

muscles.

5.

When the heart beats the muscle contracts.

a)

True

b)

False

6.

Your heart .....................pumps blood through your lungs and to other parts of your body.

a)

single

b)

double

c)

triple

7.

The blood leaves the heart through................... and returns through ...............

a)

arteries / veins

b)

veins / arteries

c)

arteries / capillaries

8.

.................................................. a network of tubes with a very thin walls between each artery and vein to let substances move in and out of your blood.

a)

Xylem.

b)

Phloem.

c)

Capillaries

9.

................................. is a chemical reaction that releases energy needed for the body.

a)

Respiration

b)

Digestion

c)

Breathing

10.

Blood collects glucose from your ..................... and oxygen from your ......................

a)

large intestine / heart

b)

small intestine / lungs

c)

stomach / liver

11.

Blood delivers these essential supplies to every part of your body.

a)

True

b)

False

12.

A heart attack happens when the supply of blood to the ................is suddenly blocked

a)

heart

b)

stomach

c)

kidney

13.

Without supply of blood the heart muscle won’t get glucose or oxygen, so it will stop beating

a)

True

b)

False

14.
What are tubes that carry blood through the entire body?
a)
Blood Vessels
b)
Plasma
c)
The Heart
d)
Platelets
15.
Which of the following is not a blood vessel? 
a)
 Capillaries
b)
Veins
c)
Arteries
d)
The Heart
16.
Which of the following are very small vessels that exchange oxygen and nutrients for waste and carbon dioxide from the blood to the cell?
a)
Veins
b)
Arteries
c)
Capillaries
d)
Platelets
17.
What does Deoxygenated mean?
a)
Oxygen-rich
b)
Blood flow
c)
Oxygen-poor
d)
Water Flow
18.
The circulatory system works with the __________ system to obtain energy from nutrients that we eat. 
a)
respiratory 
b)
digestive
c)
skeletal
d)
nervous
19.
Veins carry oxygen poor blood back to the heart.
a)
False
b)
True
20.
The five main parts of the circulatory system are?
a)
heart, blood, nutrients, flakes, skin
b)
heart, blood, valves, crust, mantle
c)
heart, blood, veins, arteries, capillaries 
d)
heart, blood, cells, skin, nerves
21.

This type of vessel carries blood to the heart:

a)

vein

b)

nerve

c)

muscle

d)

artery

22.

When oxygen-rich blood is carried away from the heart, it travels through a/an...

a)

artery

b)

neuron

c)

vein

d)

straw

23.
The smallest type of blood vessel is the:
a)
nerve
b)
vein
c)
capillary
d)
artery
24.
The circulatory system works with the ___________ system to provide our body with oxygen.
a)
respiratory
b)
digestive
c)
muscular
d)
skeletal
25.
What is the function of the heart?
a)
To pump blood around the body
b)
To remove oxygen from the blood
c)
To allow blood to flow through it 
d)
To breath
26.
Carbon dioxide is considered a _________________
a)
food
b)
waste
c)
energy
d)
fun party favor
27.
Where in your body can you find blood vessels?
a)

Around the heart

b)

In hands & feet

c)

In your head

d)

Virtually everywhere

28.
Veins have special ________________ to stop blood from flowing backward.
a)
gravity
b)
valves
c)
arteries
d)
ventricles
29.

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

a)

Arteries

b)

Capillaries

c)

Veins

30.

The system that transmits the blood to the body.

a)

Respiratory system

b)

Circulatory system

c)

No correct answer

31.

The Arteries' walls are .............................

a)

thick

b)

thin

c)

small

32.
Which of the following is a synonym for the circulatory system?
a)
respiratory system
b)
digestive system
c)
nervous system
d)
cardiovascular system
33.

What is the main organ of the circulatory system?

a)

small intestine

b)

bone

c)

lungs

d)

heart

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