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The circulatory system

Total questions: 50

Worksheet time: 30mins

Name
Class
Date
1.

What is the circulatory system responsible for?

a)

digestion

b)

Carrying nutrients, oxygen, carbon dioxide and waste products

c)

absorption

d)

breathing

2.

What makes up the circulatory system?

a)

The lungs and the digestive tract

b)

The brain

c)

The liver and the pancreas

d)

The heart, the blood and blood vessels

3.

The heart is the size of

a)

an apple

b)

your foot

c)

your fist

d)

a basketball

4.

The right side of the heart pumps blood to the

a)

organs

b)

brain

c)

lungs

d)

intestine

5.

Blood vessels that carry blood back to your heart are called 

a)

Arteries

b)

Veins

c)

Capillaries

d)

intestine

6.

The smallest vessels are called 

a)

arteries

b)

veins

c)

vessels

d)

capillaries

7.

The left side of the heart pumps blood to

a)

lungs

b)

bladder

c)

all of your body

d)

heart

8.

The blood drops off... in the lungs.

a)

oxygen

b)

carbon dioxide

c)

blood

d)

nutrients

9.

The blood picks up __________ from the lungs.

a)

nutrients

b)

carbon dioxide

c)

oxygen

d)

poison

10.

It pumps blood around the body. It's inside the chest.

a)

large intestine

b)

stomach

c)

heart

11.

You can count your heartbeats by feeling your

a)

Nerves

b)

Pulse

c)

Breathing

12.

Our heart beats faster when we do exercise.

a)

Yes

b)

No

13.

When you run around, your body needs a lot more energy and oxygen.

a)

Yes

b)

No

14.

__________is the small beat under the skin.

a)

heart

b)

pulse

c)

heartbeat

d)

breathing

15.

The right side of the heart pumps blood poor in oxygen.

a)

True

b)

False

16.

The left side of the heart pumps

a)

Blood poor in oxygen

b)

Blood rich in oxygen

c)

Mixed blood

17.

The upper part of each side of the heart is called

a)

Ventricle

b)

Artery

c)

Atrium

d)

Vessel

18.

The lower part of each side of the heart is called

a)

Atrium

b)

Artery

c)

Ventricle

d)

Vein

19.

The right side of the heart pumps blood to the ________

a)

body

b)

lungs

c)

brain

d)

legs

20.

The left side of the heart pumps blood to the _________

a)

Body

b)

Lungs

c)

Brain

d)

Legs

21.

The blood that comes from the body enters the heart at the___________

a)

Ventricle

b)

Artery

c)

Atrium

d)

Vessel

22.

The blood leaves the heart at the _____

a)

Ventricles

b)

Atrium

c)

Valve

d)

Capillaries

23.

Arteries carry oxygenated blood from the heart to all parts of the body.

a)

True

b)

False

24.

Veins carry oxygenated blood from the body to the heart.

a)

True

b)

False

25.

These are parts of the circulatory system

a)

The heart

b)

The bones

c)

The blood

d)

The blood vessels

26.

What is the main organ of the circulatory system?

a)

The lungs

b)

The skin

c)

The brain

d)

The heart

27.

What is the biggest part of the blood?

a)

White blood vessels

b)

Plasma

c)

Red blood vessels

d)

Platelet

28.

These are the parts of the blood

a)

Plasma, white blood cells, oxygen

b)

Red blood cells, plasma, platelets

c)

Plasma, white and red blood cells, platelets

d)

Oxygen, platelets, white blood cells

29.

White blood cells___________

a)

Carry oxygen to the rest of the body

b)

Protect your body from germs.

c)

Stop the bleeding forming clots

d)

Carry away the cells’ wastes

30.

Red blood cells______________

a)

carry oxygen to the rest of the body

b)

protect your body from germs and other harmful things.

c)

stop the bleeding forming clots

d)

carry away the cells’ wastes

31.

What are the three types of blood vessels of the body?

a)

Arteries

b)

Vessels

c)

Capillaries

d)

Veins

32.

Blood carries (point all the right answers)

a)

water and other components

b)

red blood cells, white blood cells, platelets,

c)

nutrients, gases and waste products

d)

blood vessels

33.

Red blood cells

a)

carry oxygen and other gases

b)

fight oxygen

c)

stop bleeding

34.

White blood cells

a)

carry oxygen and other gases

b)

They help the body fight infection

c)

stop bleeding

35.

Platelets

a)

carry oxygen and other gases

b)

fight oxygen

c)

They help your blood clot

(stop bleeding)

36.

Arteries

a)

carry oxygenated blood away from the heart

b)

carry deoxygenated blood back to the heart

c)

connected arteries and veins. oxygen, carbon dioxide and waste products pass through them

37.

Veins

a)

carry oxygenated blood away from the heart

b)

carry deoxygenated blood back to the heart

c)

connect arteries and veins. oxygen, carbon dioxide and waste products pass through them

38.

Capillaries

a)

carry oxygenated blood away from the heart

b)

carry deoxygenated blood back to the heart

c)

connected arteries and veins. oxygen, carbon dioxide and waste products pass through them

39.

What is the function of the heart?

a)

Pump oxygen around the body though the blood vessels

b)

Pump blood around around the body through the blood vessels.

c)

Pump air around the body through the blood vessels.

40.

A the heart contracts and relaxes, it produces heartbeat.

a)

True

b)

False

41.

The heart beats about ___ times per minute.

a)

60

b)

70

c)

80

d)

90

42.
Identify
a)
Left atrium
b)
Right atrium
c)
Left ventricle
d)
Right ventricle
43.
Identify
a)
Left atrium
b)
Right atrium
c)
Left ventricle
d)
Right ventricle
44.
Identify
a)
Left atrium
b)
Right atrium
c)
Left ventricle
d)
Right ventricle
45.
The heart has ___ chambers.
a)
1
b)
2
c)
3
d)
4
46.
What does Deoxygenated mean?
a)
Oxygen-rich
b)
Blood flow
c)
Oxygen-poor
d)
Water Flow
47.
Identify
a)
Left atrium
b)
Right atrium
c)
Left ventricle
d)
Right ventricle
48.
arteries, veins, and capillaries are three types of __________
a)

Heart valves

b)

Blood vessels

c)

Cells

d)

Veins

49.
What does blood transport?
a)
Nutrients
b)
Oxygen 
c)
Carbon Dioxide
d)

Nutrients, oxygen and carbon dioxide.

50.
THE TYPE OF BLOOD VESSELS THAT RETURNS BLOOD TO THE HEART 
a)

Artery

b)

Vein

c)

Capillaries

d)

Blood vessel