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10 questions
Respiratory system is composed of three main parts: the heart, the blood, and the blood vessel.
True
False
The main organ of the respiratory system is the lungs.
True
False
3. Breathing refers to the mechanical process wherein we take in oxygen and get rid of carbon dioxide
True
False
Life is not possible if breathing does not take place.
False
True
The heart is also called a living pump.
False
TRue
Heart is the main organ of the circulatory system.
True
False
Circulatory system is composed of group of organs and tissues that transport important materials to body cells and remove their waste.
True
False
Circulatory system is composed mainly of lungs, blood, and blood vessels.
False
True
Circulatory system is a transport system.
True
False
The three types of blood vessels are: arteries, veins, and nerves.
True
False
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