Fill in the Blanks:
(i) The main steps of digestion in humans are ………, ………, ……….., ……… and ……… .
(ii) The largest gland in human body is ………
(iii) The stomach releases hydrochloric acid and ………. juices which act on food.
(iv) The inner wall of small intestine has many finger like outgrowths called ……..
(v) Amoeba digests its food in the ………
