11. Name the part of:
(a) Amoeba, which helps in ingestion of food.
(b) Human Digestive system which produces enzyme Pepsin .
(c) Human alimentary canal, in which digestion is completed
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The main steps of nutrition in humans are ingestion, digestion, absorption, assimilation and egestion.
(b) The largest gland in the human body is liver.
(c) The stomach releases hydrochloric acid and digestive juices which act on food.
(d) The inner wall of the small intestine has many finger-like outgrowths called villi.
(e) Amoeba digests its food in the food vacuole.
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