wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Human Heart and the Double Circulatory System

Total questions: 60

Worksheet time: 45mins

Name
Class
Date
1.

Which of the following has these characteristics:

-biconcave shape

-no nucleus when mature

a)

Platelets

b)

Leucocytes

c)

Erythrocytes

d)

Plasma

2.

Leucocytes can be classified into granulocytes and agranulocytes. Which of the following is NOT a granulocyte?

a)

Eosinophils

b)

Basophils

c)

Monocytes

d)

Neutrophils

3.

Which of the following has these characteristics?


-combat inflammation and allergic reactions

-secrete heparin to slow down blood clotting

a)

Neutrophils

b)

Lymphocytes

c)

Basophils

d)

Monocytes

4.

Which of the following plays an important role in blood clotting?

a)

Blood plasma

b)

Leucocytes

c)

Platelets

d)

Erythrocytes

5.

Which of the blood vessels carry blood AWAY from the heart?

a)

Veins

b)

Capillaries

c)

Artery

6.

Capillaries found in the lungs are known as systemic capillaries.

a)

True

b)

False

7.

X carries oxygenated blood from the lungs to the heart, whereas Y carries deoxygenated blood from the body cells to the lungs. What are X and Y?

a)

X: Aorta Y: Vena Cava

b)

X: Pulmonary artery Y: Pulmonary vein

c)

X: Vena cava Y: Aorta

d)

X: Pulmonary vein Y: Pulmonary artery

8.

Valves are present in both arteries and veins.

a)

True

b)

False

9.

An artery has thicker, more elastic muscular walls, and smaller lumen compared to veins

a)

True

b)

False

10.

The blood pressure in these blood vessels are as follow:


Artery > Capillary > Vein

a)

True

b)

False

11.

What are valves K and L?

a)

K: Semilunar L: Bicuspid

b)

K: Bicuspid L: Tricuspid

c)

K: Tricuspid L: Semilunar

d)

K: Tricuspid L: Bicuspid

12.

Which of the statement is correct?

i. Blood comprises of 55% blood cells and 45% plasma

ii. There are 3 types of blood cells: erythrocytes, leucocytes and platelets

iii. Both platelets and leucocytes have nucleus

a)

i and ii

b)

i and iii

c)

i only

d)

ii only

e)

None of the above

13.

Number of heart chambers

a)

2

b)

3

c)

4

d)

5

14.

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

15.

Systemic 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

16.

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

a)

Vena Cava

b)

Aorta

c)

Pulmonary artery

d)

Pulmonary vein

17.

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

a)

Vena Cava

b)

Aorta

c)

Pulmonary artery

d)

Pulmonary vein

18.

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

a)

Vena Cava

b)

Aorta

c)

Pulmonary artery

d)

Pulmonary vein

19.

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

a)

Vena Cava

b)

Aorta

c)

Pulmonary artery

d)

Pulmonary vein

20.

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

21.

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

a)

Semilunar valve

b)

Bicuspid valve

c)

Tricuspid valve

d)

Aortic valve

22.

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

a)

Semilunar valve

b)

Bicuspid valve

c)

Tricuspid valve

d)

Aortic valve

23.

The right and left chambers are separated by

a)

Sternum

b)

Septum

c)

Sernom

d)

Strenoum

24.

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

a)

Artery

b)

Veins

c)

Capillary

d)

Trachea

25.

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

a)

Artery

b)

Veins

c)

Capillary

d)

Trachea

26.

The artery carry oxygenated blood except..

a)

Aorta

b)

Carotid artery

c)

Coronary artery

d)

Pulmonary artery

27.

The veins carry deoxygenated blood except..

a)

Vena cava

b)

Pulmonary vein

c)

Subclavian vein

d)

Pulmonary artery

28.

The normal reading of systole and diastole is

a)

100/50 mmHg

b)

110/55 mmHg

c)

120/80 mmHg

d)

135/95 mmHg

29.

Diagram 1 shows a structure of the heart and its associated blood vessels. Which of the following A, B, C and D carry blood to body tissue?

a)

A

b)

B

c)

C

d)

D

30.

Structure X shown in Diagram 2 exists in veins. It has the function of...

a)

causing the blood to flow downwards to the feet

b)

preventing backflow of blood on its way back to the heart

c)

ensuring the muscles around it contract to squeeze the blood back to the heart

d)

pulsating in rhythm with the heartbeat as blood flows through it

31.

Diagram 3 shows part of the pulmonary circulatory system. What is organ X?

a)

Liver

b)

Gills

c)

Lymph node

d)

Heart

32.

Diagram 4 shows the blood circulatory system of an organism. Which of the following organism has the similar circulatory system as shown in the diagram?

a)

Fish

b)

Bird

c)

Frog

d)

Snake

33.

P, Q, R and S are some common characteristics of leucocytes. Which are the characteristics of granulocytes?

a)

Q and S

b)

P and R

c)

R and Q

d)

R and S

34.

Diagram 5 shows capillaries, tissues and vessel X. What is the fluid that flows into X?

a)

Blood

b)

Plasma

c)

Lymph

d)

Interstitial/tissue fluid

35.

A man is having chest pain. He undergone angiogram to check the condition of his heart. Diagram 7 shows that structure X is affected in the angiogram. Which part of his heart may be affected?

a)

Sino-atrial node

b)

Tricuspid valve

c)

Coronary artery

d)

Aorta

36.

Diagram 8 shows blood cell X in a blood sample. What is the possible reason for the high number of blood cell X?

a)

Allergic response

b)

Thrombosis

c)

Bleeding

d)

Immune response

37.

Based on Diagram 9, what is the blood vessel that is labelled Y?

a)

Pulmonary vein

b)

Pulmonary artery

c)

Posterior vena cava

d)

Aorta

38.

What is meant by a closed circulatory system?

a)

A circulatory system where blood flows into vessels that are not connected

b)

A circulatory system where blood is always contained in a continuous closed blood vessel and is distributed to the whole body.

c)

A circulatory system where blood flows through the heart twice in one cycle

d)

A circulatory system where blood flows through the heart only once

39.

Which of the following initiates the rhythmic heartbeat?

a)

Atrioventricular node

b)

Sino-atrial node

c)

Fibrous Purkinje tissue

d)

Atrioventricle package

40.

The structure that is labelled Z in Diagram 10 can be found in the lymphatic system. What is the function of structure Z?

a)

Helps in the flow of lymphatic fluids

b)

Absorbs digestive products of fats

c)

Produce and store lymphocytes

d)

Ensures the flow of lymphatic fluids in one direction only

41.

Which of the following is the valve that prevents the back flow of blood from the right ventricle into the right atrium in human heart?

a)

Bicuspid valve

b)

Semilunar valve

c)

Tricuspid valve

d)

Pocket valve

42.

Diagram 11 shows the condition that occur in a person when the interstitial fluid cannot reabsorbed back to the circulatory system. What is the condition experienced by the person?

a)

Thrombosis

b)

Marasmus

c)

Oedema

d)

Ricket

43.

Diagram 12 shows a longitudinal section of the human heart. Which of the valves A, B, C or D is the bicuspid valve?

a)

A

b)

B

c)

C

d)

D

44.

Which of the following blood cells has no nucleus?

a)

Monocytes

b)

Erythrocytes

c)

Granulocytes

d)

Lymphocytes

45.

Table 1 below shows the characteristics of blood in blood vessel X of human. What is blood vessel X?

a)

Aorta

b)

Vena cava

c)

Pulmonary vein

d)

Pulmonary artery

46.

Diagram 13 shows the blood circulatory system of an animal. What is the similarity of the blood circulatory system of this animal and man?

a)

The heart pumps out a mixture of oxygenated and deoxygenated blood

b)

Blood enters the gaseous exchange organ at low pressure

c)

It is a double circulatory system

d)

It is a closed circulatory system

47.

The following information is about blood clotting. Which of the following is the correct order of the blood clotting process?

a)

W, Y, Z, X

b)

Y, Z, X

c)

Y, Z, X, W

d)

Z, Y, X, W

48.

Diagram 17 below shows a group of blood cells in human. What is the function of these cells?

a)

Fight pathogen

b)

To transport oxygen

c)

Engage in blood clots

d)

To transport waste products

49.

UNICELLULAR ORGANISMS AND MULTICELLULAR ORGANISMS SURVIVE THROUGH CONSTANT.....

a)

intake of nutrients

b)

supply of carbon dioxide

c)

exchange of respiratory gases

d)

expelling waste products

50.

Which organisms below able to survive through only diffusion?

a)

Amoeba

b)

Paramecium

c)

Mitochondria

d)

All the answer above

51.

Which of the following statement is true about transportation in multicellular organism?

a)

Has large TSA/V ratio

b)

Has size that are usually small and thin

c)

The exchange of substance between body and external cannot happen through diffusion

d)

The body cells are close to the external environment

52.

Which of the substance(s) is/are listed as WASTE PRODUCT(s) that must be expelled from an organism?

a)

Oxygen

b)

Carbon Dioxide

c)

Nitrogenous Waste

d)

Carbon Monoxide

53.

Open circulatory system...

a)

Exists in fish

b)

Consist of heart and vena cava

c)

When the heart relaxes, haemolymph flows back into the heart through tiny openings called ostium

d)

All the answers above are incorrect

54.

Which of the following is the type of circulatory system in fish?

a)

Closed and complete double circulatory system

b)

Closed and single circulatory system

c)

Opened and single circulatory system

d)

Opened and incomplete double circulatory system

55.

Which of the following is the type of circulatory system in amphibian ?

a)

Opened and incomplete double circulatory system

b)

Closed and incomplete single circulatory system

c)

Closed and complete double circulatory system

d)

Closed and incomplete double circulatory system

56.

Circulatory system in human

a)

Complete, closed, double

b)

Complete, closed, single

c)

Closed, complete, double

d)

Double, closed, complete

57.

In pulmonary circulation, deoxygenated blood in the right ventricles is pumped into the lungs via the (a)  

58.

In systemic circulation, oxygenated blood is pumped from the heart through the aorta to all parts of the body, except

(a)  

59.

In pulmonary circulation, oxygenated blood from the lungs returns to the (a)  

60.

In systemic circulation, deoxygenated blood is transported back to the heart via the (a)