What molecule is the most important constituent of all body fluids?

A) blood
B) mucus
C) water
D) oxygen


C
Explanation: A) Blood is not a molecule, which is a chemical combination of two or more atoms that form a specific chemical compound.
B) Mucus is not a molecule, which is a chemical combination of two or more atoms that form a specific chemical compound.
C) Correct.
D) Oxygen is an element, not a molecule, which is a chemical combination of two or more atoms that form a specific chemical compound.

Health & Biomechanics

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