Fill in the blanks:
(a) The main steps of nutrition in humans are
and
(b) The largest gland in the human body is
(c) The stomach releases hydrochloric acid and
act on food.
juices which
(d) The inner wall of the small intestine has many finger-like outgrowths
called
(e) Amoeba digests its food in the
Answers
Solution:
(a) The main steps of nutrition in humans are ____, ____, ____, ____ and ____.
Ans. ingestion, digestion, absorption, assimilation and egestion.
(b) The largest gland in the human body is ____.
Ans. Liver.
(Liver is the largest gland in the human body. It secretes Bile juice which helps in digestion of fats. It is divided into left and right lobes.)
(c) The stomach releases hydrochloric acid and ____ act on food.
Ans. digestive juices
(Hydrochloric acid and digestive juices helps to break large food particles into the smaller one).
(d) The inner wall of the small intestine has many finger-like outgrowths called _____.
Ans. villi.
(Villi is a small finger like projection present inside the small intestine. It increase the surface area for absorption of digestive food.)
(e) Amoeba digests its food in the _____.
Ans. food vacuole.
(Food vacuole digests and broken the food into smaller pieces. The remaining undigested food is moved to the surface of cell and thrown out.)