Stethoscope is an instrument used to detect the sounds of heart.
a) Mention the two sounds of heart
b) Mention the causes of these sounds
c) Name any two disorders of heart
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Blood flow creates vibrations in the heart chambers and valves which produce audible sounds that can be heard through a stethoscope. Smooth, low-resistance blood flow is called a laminar flow. When the flow is rough with high resistance it is known as a turbulent flow.
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