Each cell of our body contains this. It is also present in our proteins and fat. What is it?
A
Acid
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B
Base
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C
Salt
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D
None of these
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Solution
The correct option is C Salt The human body contains many salts of which sodium chloride (also known as common table salt) is the major one, making up around 0.4 of the body's weight at a concentration pretty well equivalent to that in seawater. So a 50kg person would contain around 200g of sodium chloride - around 40 teaspoons.