wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Heart & Blood

Total questions: 22

Worksheet time: 22mins

Name
Class
Date
1.

Blood carries ..... from your lungs to your body cells/tissues.

a)

carbon dioxide

b)

oxygen

c)

water

d)

urea

2.

Which of the following is not a part of the blood?

a)

plasma

b)

platelets

c)

red blood cells

d)

lactic acid

3.

Plasma consists mainly of....

a)

Platelets

b)

Haemoglobin

c)

Water

d)

White Blood Cells

4.

Red Blood Cells are produced/made in our ....

a)

Bone marrow

b)

Liver

c)

Muscles

d)

Heart

5.

..... fight bacteria and viruses (pathogens).

a)

Plasma

b)

platelets

c)

red blood cells

d)

white blood cells

6.

The pigment in red blood cells that carries oxygen is called ...

a)

Hemoglobules

b)

Haemoglobin

c)

Homeostasis

d)

Hemoglogin

7.

Name the part being pointed at

a)

right atrium

b)

left atrium

c)

right ventricle

d)

left ventricle

8.

Name the part being pointed at...

a)

Right atrium

b)

Left atrium

c)

Right ventricle

d)

Left ventricle

9.

What prevents blood from going backwards/pooling in the heart?

a)

valves

b)

atria

c)

ventricles

d)

veins

10.

What is the large vein that brings oxygen poor blood back to the heart?

a)

Vena Cava

b)

Pulmonary Vein

c)

Aorta

d)

Pulmonary Artery

11.

Which artery brings oxygen poor blood to the lungs?

a)

Vena Cava

b)

Pulmonary Artery

c)

Pulmonary Vein

d)

Aorta

12.

Name this structure:

a)

Vena Cava

b)

Pulmonary Artery

c)

Pulmonary Vein

d)

Aorta

13.

Which side of the heart has oxygen rich blood?

a)

Right

b)

Left

c)

Top

d)

Bottom

14.

What makes up around 55% of the blood?

a)

Plasma

b)

Red Blood Cells

c)

White Blood Cells

d)

Platelets

15.

What carries oxygen around the body?

a)

Plasma

b)

Red Blood Cells

c)

Platelets

d)

White Blood Cells

16.

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

17.

What is the function (job) of the plasma?

a)

To release antibodies to fight infections.

b)

To transport carbon dioxide around the body.

c)

To carry dissolved nutrients, wastes and sugars.

d)

To transport oxygen around the body.

18.

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

a)

Veins

b)

Arteries

c)

Capillaries

19.

What is plasma?

a)

only white blood cells

b)

only red blood cells

c)

fluid part of blood

d)

hemoglobin

20.

What are the most common blood cells?

a)

red blood cells

b)

white blood cells

c)

platelets

d)

plasma

21.
What part of blood is responsible for carrying oxygen and carbon dioxide to or from body cells?
a)
Red Blood Cells
b)
White Blood Cells
c)
Platelets
d)
Plasma
22.
What part of blood is responsible for fighting infections?
a)
Red Blood Cells
b)
White Blood Cells
c)
Platelets
d)
Plasma