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WorksheetsCV system
Total questions: 21
Worksheet time: 21mins
Name
Class
Date
1.
What are the 3 main components of the CV system?
a)
Heart, lungs, blood vessels
b)
Arteries, capillaries, veins
c)
Heart, blood vessels, blood
d)
Red blood cells, white blood cells, platelets
2.
What are the 3 main functions of the CV system?
a)
Transport, protection, movement
b)
Transport, clotting, temperature regulation
c)
Oxygen intake, clotting, energy
d)
Transport, energy, temperature regulation
3.
Blood carries _______ and _______ to working muscles.
a)
Oxygen and nutrients
b)
Carbon dioxide and nutrients
c)
Carbon dioxide and Lactic acid
d)
Oxygen and lactic acid
4.
___________ increases blood flow to the skin and helps the body cool down during exercise.
a)
Vasoconstriction
b)
Vasodilation
c)
Heart rate
d)
White blood cells
5.
Deoxygenated blood enters the heart through the _______ into the _______.
a)
Right ventricle, right atrium
b)
Aorta, left atrium
c)
Vena cava, left atrium
d)
Vena cava, right atrium
6.
Oxygenated blood is pumped out of the heart from the ________ into the ______.
a)
Right ventricle, pulmonary artery
b)
Left ventricle, Aorta
c)
Left atrium, left ventricle
d)
Pulmonary artery, lungs
7.
Which of the following is NOT one of the 9 stages of the blood's route through the heart?
a)
Deoxygenated blood is pumped to the body through the aorta
b)
Deoxygenated blood enters the right atrium
c)
Blood is oxygenated at the lungs
d)
Oxygenated blood enters the left atrium of the heart
8.
All arteries carry oxygenated blood, apart from the ______.
a)
Vena cava
b)
Aorta
c)
Pulmonary vein
d)
Pulmonary artery
9.
Which part of the heart deals with deoxygenated blood?
a)
Right side
b)
Left side
c)
The ventricles
d)
The atria
10.
Veins have _______ walls and _______ lumen than arteries.
a)
Thicker, narrower
b)
Thinner, narrower
c)
Thicker, wider
d)
Thinner, wider
11.
During exercise, arteries to inactive muscles ______. This is called______.
a)
Shut down, vascular shunting
b)
Constrict, vasoconstriction
c)
Expand, vasodilation
d)
Constrict, vasodilation
12.
Which structure found in veins ensure that blood does not flow the wrong way?
a)
Large lumen
b)
Thin muscular wall
c)
Valves
d)
Endothelium
13.
Red blood cells contain _______ which allows oxygen to be carried.
a)
Platelets
b)
Haemoglobin
c)
Plasma
d)
Carbon dioxide
14.
Blood becomes deoxygenated at the ______.
a)
Lungs
b)
Pulmonary artery
c)
Capillaries
d)
Veins
15.
Blood flow in the veins is assisted by ______.
a)
High blood pressure
b)
Thick muscle in the walls
c)
Narrow lumen
d)
Muscle contractions
16.
This structure in the CV system:
1. Mainly carries deoxygenated blood
2. Returns blood to the heart
3. Has thin walls and a large lumen
1. Mainly carries deoxygenated blood
2. Returns blood to the heart
3. Has thin walls and a large lumen
a)
Veins
b)
Arteries
c)
Capillaries
d)
Left atrium
17.
This structure in the CV system:
1. Mainly carries Oxygenated blood
2. Carries blood to away from the heart
3. Has thick walls and a narrow lumen
1. Mainly carries Oxygenated blood
2. Carries blood to away from the heart
3. Has thick walls and a narrow lumen
a)
Veins
b)
Arteries
c)
Capillaries
d)
Right ventricle
18.
This structure in the CV system:
1. Carries blood from the right ventricle to the lungs
2. Is the only one of its type to carry deoxygenated blood
1. Carries blood from the right ventricle to the lungs
2. Is the only one of its type to carry deoxygenated blood
a)
Vena cava
b)
Aorta
c)
Pulmonary vein
d)
Pulmonary Artery
19.
This structure in the CV system:
1. Is only wide enough for one blood cell at a time to travel down
2. Is where blood is deoxygenated
3. Has walls just one cell thick
1. Is only wide enough for one blood cell at a time to travel down
2. Is where blood is deoxygenated
3. Has walls just one cell thick
a)
Veins
b)
Aorta
c)
Capillaries
d)
Lungs
20.
This structure in the CV system:
1. Receives oxygenated blood from the lungs
2. Pumps blood into the left ventricle through the bicuspid valve
1. Receives oxygenated blood from the lungs
2. Pumps blood into the left ventricle through the bicuspid valve
a)
Aorta
b)
Right atrium
c)
Left atrium
d)
Right ventricle
21.
Increased blood flow, taking oxygen to the muscles, is particularly important for which sport?
a)
Power lifting
b)
Marathon running
c)
100m sprint
d)
Archery
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