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Circulatory system JC Science

Total questions: 20

Worksheet time: 17mins

Name
Class
Date
1.
How many types of blood vessels are in our body?
a)
1
b)
2
c)
3
d)
4
2.

Arteries carry oxygen rich blood away from the heart.

a)

True

b)

False

3.

Veins carry oxygen poor blood back to the heart.

a)

False

b)

True

4.

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.

5.

How does the heart work?

a)

It pumps blood first to the lungs, back to the heart and then around the rest of the body.

b)

It pumps blood first to the rest of the body, back to the lungs and then to the heart.

c)

It pumps blood around the rest of the body, back to the heart and then to the lungs,

6.
______________ are the smallest blood vessels.
a)
Arteries
b)
Veins
c)
Capillaries
7.
The circulatory system works with the ___________ system to provide our body with oxygen.
a)
respiratory
b)
digestive
c)
muscular
d)
skeletal
8.
This chamber of the heart RECEIVES blood returning from the body
a)
Right Atrium
b)
Right Ventricle
c)
Left Atrium
d)
Left Ventricle
9.
Structure(s) that keep the blood flowing in one direction.
a)
Valve(s)
b)
Septum(s)
c)
Neuron(s)
d)
Bronchiole(s)
10.

True or false:

Arteries always carry oxygenated blood.

a)

True

b)

False

11.
What does Deoxygenated mean?
a)
Oxygen-rich
b)
Blood flow
c)
Oxygen-poor
d)
Water Flow
12.

The cells in the blood that help fight germs and illnesses are the...

a)

red blood cells

b)

platelets

c)

white blood cells

d)

axons

13.
The liquid part of blood that makes up 55% of its composition?
a)
Plasma
b)
Platelets
c)
White blood cells
d)
Red blood cells
14.
Which of the following delivers oxygen to cells?
a)
Red Blood cells
b)
White blood cells
c)
Platelets
d)
Plasma
15.
Which describes a task performed by the circulatory system?
a)
creating red blood cells
b)
sending messages to the brain
c)
transporting waste materials
d)
producing energy from food
16.
Your blood is made up of which of the following...
a)
plasma, red blood cells, blue blood cells
b)
white and red blood cells
c)
plasma and platelets
d)
plasma, red blood cells, white blood cells, and platelets
17.
This type of vessel carries blood TO the heart:
a)
vein
b)
nerve
c)
muscle
d)
artery
18.

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

a)

artery

b)

neuron

c)

vein

d)

straw

19.

The component of blood that causes clotting and prevents blood loss

a)

red blood cells

b)

white blood cells

c)

Platelets

d)

plasma

20.

The chemical present in red blood cells that binds to oxygen is called

a)

Amylase

b)

Iron

c)

haemoglobin

d)

glucose

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