Acid-Base Balance

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Chapter: Anatomy, Physiology And Health Education : Acid-Base Balance

Acid-base balance is very important for the homeostasis of the body and almost all the physiological activities depend upon the acid-base status of the body. Acids are constantly produced in the body. However, the acid production is balanced by the production of bases so that the acid-base status of the body is maintained.


ACID-BASE BALANCE

 

INTRODUCTION

 

 

Acid-base balance is very important for the homeostasis of the body and almost all the physiological activities depend upon the acid-base status of the body. Acids are constantly produced in the body. However, the acid production is balanced by the production of bases so that the acid-base status of the body is maintained.

 

An acid is the proton donor (the substance that liberates hydrogen ion). A base is the proton acceptor (the substance that accepts hydrogen ion).

 

In spite of continuous production of acids in the body, the concentration of free hydrogen ion is kept almost constant at a pH of 7.4 with slight variations.

 

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