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WorksheetsCardiovascular System: Heart Structure
Total questions: 17
Worksheet time: 9mins
Name
Class
Date
1.
The two chambers of the heart which receive blood are known as the _________
a)
atria
b)
ventricles
c)
systemics
d)
pulmonic
2.
Freshly oxygenated blood is delivered to the _____________ and then it passes into the __________ to be pumped to the entire body.
a)
right ventricle; right atrium
b)
left ventricle; left atrium
c)
left atrium; left ventricle
d)
right atrium; right ventricle
3.
As the right ventricle contracts, the blood flows into the
a)
Heart
b)
Pulmonary arteries
c)
Atrium
d)
Ventricle
4.
In the walls of the heart, there are two thin layers around a thick layer of muscle called the
a)
epithelial tissue.
b)
pericardium.
c)
connective tissue.
d)
myocardium.
5.
The purpose of heart valves is to
a)
set the pace at which the heart beats
b)
prevent blood from flowing backward
c)
oxygenate the blood as it passes through the valve
d)
add minerals to the blood
6.
The pointed, inferior portion of the heart, known as the ________ rests on the diaphragm and is oriented towards the left hip.
a)
base
b)
mediastinum
c)
apex
d)
pericardium
7.
The valves between the atria and ventricles are known as the ________ valves.
a)
atrioventricular
b)
aortic
c)
semilunar
d)
pulmonary
8.
Which layer of the heart contains a lubricating fluid that reduces friction as the heart beats?
a)
Pericardium
b)
Endocardium
c)
Myocardium
9.
Identify the structure the arrow is pointing to
a)
right atrium
b)
right ventricle
c)
left atrium
d)
left ventricle
10.
Identify the structure the arrow is pointing to
a)
right atrium
b)
right ventricle
c)
left atrium
d)
left ventricle
11.
Identify the structure the arrow is pointing to
a)
right atrium
b)
right ventricle
c)
left atrium
d)
left ventricle
12.
Identify the structure the arrow is pointing to
a)
right atrium
b)
right ventricle
c)
left atrium
d)
left ventricle
13.
Identify the structure the arrow is pointing to
a)
Pulmonary Vein
b)
Pulmonary Artery
c)
Vena Cava
d)
Aorta
14.
name of the valve that separates right atrium from right ventricle.
a)
tricuspid
b)
aortic
c)
mitral
15.
When the ventricles contract, the bicuspid (mitral) valve prevents blood from flowing from the ________.
a)
right ventricle to right atrium
b)
left ventricle to left atrium
c)
left atrium to the right atrium
d)
right atrium to the left atrium
16.
The _________ PUMPS blood to the lungs.
a)
Right Atrium
b)
Right Ventricle
c)
Left Atrium
d)
Left Ventricle
17.
Blood enters the right atrium through which vessels
a)
Superior and Inferior Vena Cava
b)
Pulmonary Artery
c)
Pulmonary Vein
d)
Tricuspid Valve
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