The buffers are important in living organisms because Buffers prevent pH changes in body systems option (A) is correct.
What is a buffer?
It is defined as the solution that prevents to have an excess of acid and base in the living organism. In simple words buffer, it controls the Ph value of the solution whenever base and acid will be added.
Buffers are important in living organisms because in chemical compounds there are so many reactions that take place for these processes to have an efficient  Ph value should be stable for this buffer solution is required.
Similarly in living organisms buffer solution prevents change in Ph whenever the acid or base will be added.
Thus, the buffers are important in living organisms because Buffers prevent pH changes in body systems option (A) is correct.
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