Question

Which part of the digestive canal is involved in:
(i) absorption of food ________________.
(ii) chewing of food ________________.
(iii) killing of bacteria ________________.
(iv) complete digestion of food ________________.
(v) formation of faeces ________________.

Answer 1

Explanation:

(i) absorption of food – small intestine. Small Intestine –It is a thin and long tube-like structure measuring about 9 to 10 feet long and also the part of the lower gastrointestinal tract. The small intestine is located just behind the stomach, which is found completely coiled and consists of folds and ridges.

ii) chewing of food – buccal cavity. The alimentary canal is the long tube through which the food that we eat is passed..

iii) Stomach and mouth are involved in killing of bacteria while large intestine helps in formation of faeces.

iv)Hence the part of the digestive canals is involved in the completion of the digestion of food is small intestine.

v) The part of the digestive canal involved with the faeces formation is Rectum. Before the undigested waste products are deposited in the rectum, the large intestine absorbs water and salts, which transforms the wastes products into a solid mass.

Answer 2

Answer:

i.ans. intestine

ii.ans. buccal cavity

iii.ans. stomach

iv.ans. small intestine

v.ans. large intestine (and get stored in rectum)