Study the statement given below and answer the question " Even though the contents of stomach are very acidic, the stomach usually does not cause damage to itself ".
Identify this reasons (I to iv) given below which are responsible for the above statement.
(i)The release of gastric juices is controlled to avoid too high a concentration.
(ii)The stomach lining is quick to repair itself
(iii)Mucus forms a thick protective coating for the stomach
(iv)Food and water dilute the gastric juices .
A. (i),(ii) and (iii)
B. (ii),(iii) and (iv)
C. (i) and (iv) only
D. All of the above
