WorksheetsThe heart and Blood vessels
Total questions: 14
Worksheet time: 13mins
In the walls of the heart, there are two thin layers that form a sandwich around a thick layer of muscle called the
epithelial tissue.
pericardium.
connective tissue.
myocardium.
Which is the correct flow of blood?
R. atrium --> R. Ventricle --> pulmonary artery
R. atrium --> L. atrium --> aorta
L. ventricle --> pulmonary artery --> aorta
L. ventricle --> L. atrium --> aorta
Which of the following are the smallest blood vessels?
artery
vein
venule
capillary
The function of valves in the human circulatory system is to
stimulate the heart beat.
accelerate the flow of blood.
prevent the backward flow of blood.
serve as a cushion to prevent friction
Which type of blood vessel is both strong and elastic?
capillary
artery
vein
If a blood vessel has valves, it is probably a(n)
vein.
artery.
capillary
Blood vessels that carry blood away from the heart are called
veins.
arteries.
capillaries.
Coronary artery
H
J
F
E
Aorta
1
2
4
5
Left ventricle
1
2
3
4
Pulmonary Veins
A
C
F
I
Arteries contain valves that prevent backward flow of blood.
true
false
Blood vessels in the body include arteries, veins, and capillaries.
true
false
The upper chambers of the heart are ventricles.
true
false
