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Circulatory and Respiratory System

Total questions: 7

Worksheet time: 4mins

Name
Class
Date
1.
What is the main organ in the circulatory system?
a)
The Heart
b)
The Liver
c)
The Kidney
d)
The Bladder
2.
The heart is a double pump...
a)
True
b)
False
3.
The Aorta transports deoxygenated blood....
a)
True
b)
False
4.
Where does blood go after it leaves the heart for the first time?
a)
The lungs
b)
The body
5.
What is the waste product from respiration that the blood carries ?
a)
Oxygen
b)
Nitrogen
c)
Carbon Dioxide
d)
Iron
6.
What gas is carried to the cells for respiration?
a)
Carbon Dioxide
b)
Nitrogen
c)
Oxygen
d)
Hydrogen
7.
Which of the following is the scientific name for the windpipe? 
a)
Oesophagous
b)
Trachea
c)
Pharynx