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Science 7 SE Revision 3

Total questions: 75

Worksheet time: 56mins

Name
Class
Date
1.

Blood consists of:

a)

the heart and the veins

b)

blood cells and arteries

c)

plasma and blood cells

2.

These are types of blood cells:

a)

Red blood cells, platelets and white blood cells.

b)

Blue blood cells, purple blood cells and white blood cells.

c)

Platelets, arteries and red blood cells.

3.

Which blood cells transport oxygen and carbon dioxide?

a)

Platelets

b)

Red blood cells

c)

White blood cells

4.

Which blood cells repair damage to the body and stop you from bleeding?

a)

Platelets

b)

Red blood cells

c)

White blood cells

5.

Which blood cells defend your body from microorganisms and viruses?

a)

Platelets

b)

Red blood cells

c)

White blood cells

6.

The three types of blood vessels are:

a)

Veins, arteries and capillaries.

b)

Veins, hearts and alveoli.

c)

Arteries, plasma and cells.

7.

What happens in diastole phase?

a)

The heart contracts and sends bloods to the arteries.

b)

The heart relaxes and blood enters from the veins.

8.

In pulmonary circulation blood is taken from...

a)

the heart to the lungs, and back again.

b)

the heart to the rest of the body.

c)

the lungs to the rest of the body.

9.

Where does the blood collect oxygen?

a)

From the trachea

b)

From the kidneys

c)

From the lungs

10.

Blood carrying carbon dioxide enters the heart through the ...

a)

cava artery

b)

vena cava

c)

aorta

11.

The blood transports waste substances to the...

a)

pancreas

b)

vena cava

c)

kidneys

12.
The destination of blood in the pulmonary artery is the 
a)
right atrium
b)
left atrium
c)
lung
d)
peripheral tissues
13.
Blood in the pulmonary artery is
a)
high in oxygen, low in carbon dioxide
b)
high in oxygen, high in carbon dioxide
c)
low in oxygen, low in carbon dioxide
d)
low in oxygen, high in carbon dioxide
14.
Blood in the pulmonary vein is
a)
high in oxygen, low in carbon dioxide
b)
high in oxygen, high in carbon dioxide
c)
low in oxygen, low in carbon dioxide
d)
low in oxygen, high in carbon dioxide
15.
Blood in the aorta is
a)
high in oxygen, low in carbon dioxide
b)
high in oxygen, high in carbon dioxide
c)
low in oxygen, low in carbon dioxide
d)
low in oxygen, high in carbon dioxide
16.

The HEART is located between the...

a)

ribs

b)

arms

c)

legs

d)

lungs

17.

The heart pumps blood around the body through the...

a)

veins

b)

arteries

c)

capillaries

d)

blood vessels

18.

How many types of blood vessels are there?

a)

One

b)

Two

c)

Three

d)

Four

19.

The constant movement of blood in the blood vessels is called...

a)

respiration.

b)

digestion.

c)

blood circulation.

20.
A person with a heart rate of 75 beats per minute and stroke volume of 60 mL per beat has a cardiac output of _______.
a)
4500 mL/min
b)
1.25 mL/min
c)
0.8 mL/min
d)
120 mL/min
21.
The heart sounds "lub" and "dup" result from ________. 
a)
opening of the heart valves
b)
firing of the nodes of the intrinsic conduction system
c)
blood rushing through the chambers
d)
closure of heart valves
22.
What does letter D represent?
a)
Aorta
b)
Left Atrium
c)
Left ventricle
d)
Right Atrium
23.
If there is a sudden drop in blood pressure, what happens to the heart rate?
a)
Increases
b)
Decrease
c)
Returns to Normal
d)
Stays the same
24.

Upper chamber of the heart. Receives blood from the body & lungs.

a)

Atrium

b)

Artery

c)

Ventricle

d)

Valve

25.

Lower chamber of the heart. Pumps blood to the body & lungs.

a)

Atrium

b)

Artery

c)

Ventricle

d)

Valve

26.

Structure that prevents blood from flowing backwards in the circulatory system

a)

Atrium

b)

Vein

c)

Ventricle

d)

Valve

27.

Blood vessel that carries blood away from the heart.

a)

Artery

b)

Capillary

c)

Vein

d)

Aorta

28.

Tiny blood vessel that exchanges materials between blood and body cells.

a)

Artery

b)

Capillary

c)

Vein

d)

Aorta

29.

Large blood vessel that carries blood back to the heart.

a)

Artery

b)

Capillary

c)

Vein

d)

Aorta

30.

Largest artery in the body.

a)

Artery

b)

Capillary

c)

Vein

d)

Aorta

31.

Liquid part of the blood. 90% water.

a)

Platelet

b)

Plasma

c)

Red Blood Cell

d)

White Blood Cell

32.

Part of the blood that carries oxygen to the body.

a)

Platelet

b)

Plasma

c)

Red Blood Cell

d)

White Blood Cell

33.
a)

Left Atrium

b)

Left Ventricle

c)

Right Atrium

d)

Right Ventricle

34.
a)

Left Atrium

b)

Left Ventricle

c)

Right Atrium

d)

Right Ventricle

35.
a)

Left Atrium

b)

Left Ventricle

c)

Right Atrium

d)

Right Ventricle

36.
a)

Left Atrium

b)

Left Ventricle

c)

Right Atrium

d)

Right Ventricle

37.
a)

Pumps blood to the body

b)

Pumps blood to the lungs

c)

Receives blood from the body

d)

Receives blood from the lungs

38.
a)

Pumps blood to the body

b)

Pumps blood to the lungs

c)

Receives blood from the body

d)

Receives blood from the lungs

39.
a)

Pumps blood to the body

b)

Pumps blood to the lungs

c)

Receives blood from the body

d)

Receives blood from the lungs

40.
a)

Pumps blood to the body

b)

Pumps blood to the lungs

c)

Receives blood from the body

d)

Receives blood from the lungs

41.

A human heart has how many chambers?

a)

1

b)

2

c)

3

d)

4

42.
The function of the heart is to 
a)
pump blood
b)
fight disease
c)
exchange gases
d)
create energy
43.
Which organ passes oxygen to the blood?
a)
lungs
b)
pharynx
c)
bronchus
d)
diaphragm
44.
What part is this?
a)
Aorta
b)
Pulmonary Artery
c)
Superior Vena Cava
d)
Inferier Vena Cava
45.

If your pulse rate increases, your heart is beating

a)

slower than before

b)

faster than before

c)

more forcefully than before

d)

with less pressure than before

46.

If a person's blood lacked platelets, what process could not take place?

a)

carrying oxygen to cells

b)

carrying glucose to cells

c)

clotting of blood

d)

transfusing of blood

47.

Substances are exchanged between the blood and the body cells in the blood vessels known as

a)

arteries

b)

veins

c)

capillaries

d)

ducts

48.

Fish

a)

2 chambered heart

b)

3 chambered heart

c)

4 chambered heart

d)

open circulatory system

49.

insects

a)

2 chambered heart

b)

3 chambered heart

c)

4 chambered heart

d)

open circulatory system

50.

Frogs and other amphibians

a)

2 chambered heart

b)

3 chambered heart

c)

4 chambered heart

d)

open circulatory system

51.

Mammals and Birds (endotherms)

a)

2 chambered heart

b)

3 chambered heart

c)

4 chambered heart

d)

open circulatory system

52.

In which circulatory system is there NO mixing of oxygenated and unoxygenated blood

a)

open circulatory system

b)

3 chambered heart

c)

4 chambered heart

53.

The deoxygenated blood returned to heart in

chamber called

a)

left ventricle

b)

right ventricle

c)

left atrium

d)

right atrium

54.

The blood which heart pumps to the lungs is:

a)

deoxygenated blood

b)

lymph fluid

c)

atria blood

d)

oxygenated blood

55.

What is the average heart beats per minute for a normal healthy person?

a)

70-90

b)

60-70

c)

90-100

d)

100-120

56.

When blood enters the right atrium, where is it coming from?

a)

The body

b)

Left ventricle

c)

Right Atrium

d)

Lungs

57.

When blood is pumped through our arteries, they expand and we feel a

a)

bulge

b)

headache

c)

pain

d)

pulse

58.

Vessels that contain valves

a)

arteries

b)

capillaries

c)

veins

59.

What is likely to occur if there is a blockage of a coronary artery

a)

Stroke

b)

Heart attack

c)

Diabetes

d)

Drop in blood pressure

60.

The components of human cardiovascular system are:

a)

heart

b)

blood

c)

blood vessels

d)

all of the above

61.
What 2 systems work together to get nutrients into the cells?
a)
Circulatory and Respiratory
b)
Digestion and respiratory
c)
Digestion and circulatory
d)
Respiratory and Nervous
62.

Where are nutrients absorbed into the blood stream?

a)

Stomach

b)

Mouth

c)

Heart

d)

Small intestine (villi)

63.
What 2 systems work together to get oxygen to all the cells in our body?
a)
Digestive and circulatory
b)
Respiratory and circulatory
c)
respiratory and digestive
d)
digestive and skeletal
64.
Where is oxygen absorbed into the blood?
a)
Alveoli
b)
Heart
c)
Bronchi
d)
Villi
65.
Arteries bring ______________ blood to the body. 
a)
Oxygen rich
b)
CO2 rich
c)
Blood cells
d)
food
66.

Vessels that allow gas exchange

a)

arteries

b)

capillaries

c)

veins

67.
The body system that circulates blood throughout the body.
a)
Circulatory System
b)
Digestive System
c)
Nervous System
d)
Respiratory System
68.

A cancerous or malignant conditions in which there is a great increase in the number of white blood cells

a)

Leukemia

b)

Angina Pectoris

c)

Polycythemia

d)

Arrhythmia

69.

Indicate some defects in the valves of the heart

a)

Murmurs

b)

Claudication

c)

Varicose Veins

d)

Atherosclerosis

70.

The ballooning out of an artery, accompanied by the thinning arterial wall, caused by weakening of the blood vessel

a)

Aneurysm

b)

Hematoma

c)

Sickle cell anemia

d)

Coronary Artery Disease

71.

The swollen veins that result from a slowing of blood flow back to the heart

a)

Peripheral Vascular Disease

b)

Transient Ischemic Attacks (TIAs)

c)

Varicose Veins

d)

Arrhythmia

72.

Occurs when the ventricles of the heart are unable to contract effectively and blood pools in the heart

a)

Heart Failure

b)

Peripheral Vascular Disease

c)

Arteriosclerosis

d)

Claudication

73.
Red and white blood cells are both produced in ______________.
a)
Bone Marrow
b)
platelets
c)
heart
d)
aorta
74.

During your lifetime your heart will beat ____________ times.

a)

3 billion

b)

2 million

c)

1 billion

d)

2 billion

75.

Your heart pumps __________ times a day.

a)

10,000

b)

1000

c)

100,000

d)

1,000,000