Fill in the blanks:
(a) The main steps of digestion in humans are __________, __________, __________, _________ and __________.
(b) The largest gland in the human body is __________.
(c) The stomach releases hydrochloric acid and ___________ juices which act on food.
(d) The inner wall of the small intestine has many finger-like outgrowths called _________.
(e) Amoeba digests its food in the ____________ .
The steps involved in animal nutrition are:
ingestion, digestion, absorption, assimilation and egestion
(b) Liver is the largest gland in the human body.
(e) food vacuole