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Worksheets

The Circulatory System (Heart and Blood Flow)

Total questions: 31

Worksheet time: 1hrs 2mins

Name
Class
Date
1.

Number of heart chambers

a)

2

b)

3

c)

4

d)

5

2.

Pulmonary circulation is

a)

The blood flow from heart to the body cells and back to the heart

b)

The blood flow from heart to the lungs and back to the heart

c)

The blood flow from lungs to the heart and then to the body cells

d)

The blood flow from the body cells to the lunngs and back to the heart

3.

Deoxygenated blood flow from the body cells to the heart via .....

a)

Vena Cava

b)

Aorta

c)

Pulmonary artery

d)

Pulmonary vein

4.

Deoxygenated blood flow from the heart to the lungs via .....

a)

Vena Cava

b)

Aorta

c)

Pulmonary artery

d)

Pulmonary vein

5.

Oxygenated blood flow from the heart to the body cells via .....

a)

Vena Cava

b)

Aorta

c)

Pulmonary artery

d)

Pulmonary vein

6.

Oxygenated blood flow from the lungs to the heart via .....

a)

Vena Cava

b)

Aorta

c)

Pulmonary artery

d)

Pulmonary vein

7.

The valves..

a)

allow two way direction of blood in the heart

b)

prevent back-flow of blood

c)

prevent high pressure exerted in the vessels

d)

allow lower pressure of blood flow in the heart

8.

The ...... separate the right atrium and the right ventricle

a)

Semilunar valve

b)

Bicuspid valve

c)

Tricuspid valve

d)

Aortic valve

9.

The ...... separate the left atrium and the left ventricle

a)

Semilunar valve

b)

Bicuspid valve

c)

Tricuspid valve

d)

Aortic valve

10.

The right and left chambers are separated by

a)

Sternum

b)

Septum

c)

Sernom

d)

Strenoum

11.

The........ has thick muscular wall, small lumen and no valves

a)

Artery

b)

Veins

c)

Capillary

d)

Trachea

12.

The........ has thin muscular wall, very big lumen and valves

a)

Artery

b)

Veins

c)

Capillary

d)

Trachea

13.

The artery carry oxygenated blood except..

a)

Aorta

b)

Carotid artery

c)

Coronary artery

d)

Pulmonary artery

14.

The veins carry deoxygenated blood except..

a)

Vena cava

b)

Pulmonary vein

c)

Subclavian vein

d)

Pulmonary artery

15.

The normal reading of systole and diastole is

a)

100/50 mmHg

b)

110/55 mmHg

c)

120/80 mmHg

d)

135/95 mmHg

16.
Identify
a)
Left atrium
b)
Right atrium
c)
Left ventricle
d)
Right ventricle
17.
Identify
a)
Pulmonary veins
b)
Pulmonary artery
c)
Aorta
d)
Vena cava
18.
Identify
a)
Left atrium
b)
Right atrium
c)
Left ventricle
d)
Right ventricle
19.
Identify
a)
Left atrium
b)
Right atrium
c)
Left ventricle
d)
Right ventricle
20.
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
21.

These cells play a vital role in defending the body against infection

a)

Leucocytes

b)

Erythrocytes

c)

Blastocytes

d)

Plasmacytes

22.

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

a)

Phagocytes

b)

Leucocytes

c)

Erythrocytes

d)

Platelets

23.

True or false:

Blood traveling in veins is blue.

a)

True

b)

False

24.

True or false:

Arteries always carry blood away from the heart.

a)

True

b)

False

25.

True or false:

Arteries always carry oxygenated blood.

a)

True

b)

False

26.

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

27.

What is the smallest type of cell in the blood called?

a)

leucocytes

b)

erythrocytes

c)

lymphocytes

d)

monocytes

28.

What are the blood cells?

a)

Erythrocytes, leukocytes, and platelets.

b)

The buffy coat and plasma proteins.

c)

Blood cells, cell fragments, and plasma.

d)

All compounds synthesized by the blood.

29.

Regardless of the heart chamber, contraction is called ____________ and relaxation, ____________.

a)

Diastole, systole.

b)

Systole, diastole.

c)

Fibrillation, defibrillation.

d)

Defibrillation, fibrillation.

30.

Which vessels have thin walls and small diameters that facilitate rapid diffusion of gases and nutrients between blood and body tissues?

a)

Capillaries.

b)

Arterioles.

c)

Venules.

d)

All of the above.

31.

The valves between the ventricles and the arteries are called:

a)

Atrioventricular valves.

b)

Mitral valves.

c)

Semilunar valves.

d)

All of them.