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Worksheetsstructure of human heart
Total questions: 10
Worksheet time: 4mins
Name
Class
Date
1.
Which number is the vena cava?
a)
1
b)
2
c)
3
d)
8
2.
The two chambers of the heart which receive blood are known as the _________
a)
atria
b)
ventricles
c)
systemics
d)
pulmonic
3.
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
4.
What is the most muscular chamber of the heart?
a)
left ventricle
b)
left atrium
c)
right atrium
d)
right ventricle
5.
As the right ventricle contracts, the blood flows into the
a)
Heart
b)
Pulmonary arteries
c)
Atrium
d)
Ventricle
6.
Valve that blood is forced through from right ventricle into pulmonary arteries.
a)
pulmonary semi lunar valve
b)
aortic valve
c)
mitral valve
7.
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
8.
Which layer of the heart contains a lubricating fluid that reduces friction as the heart beats?
a)
Pericardium
b)
Endocardium
c)
Myocardium
9.
The heart is made of which of the following types of muscles?
a)
Cardiac muscle
b)
Skeletal muscle
c)
Smooth muscle
d)
Voluntary muscle
10.
Where does your blood get oxygen?
a)
Lungs
b)
Mouth
c)
Stomach
d)
Skin
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