Refer to the given figure of human digestive system and select the option which correctly answers (i), (ii) and (iii).
(i) The inner lining of which of the labelled parts
secretes mucus and hydrochloric acid?
(ii) Juice secreted from which of the labelled parts
breaks down fats completely into fatty acids and
glycerol?
(iii) The food that remains undigested and unabsorbed
passes into which of the labelled parts?
A (i) - P, (ii) - Q, (iii) - S
B (i) - P, (ii) - R, (iii) - S
C (i) - R, (ii) - P, (iii) - Q
D (i) - Q, (ii) - R, (iii) - P
what is the answer