Question

E
1.
Answer the following questions.
Draw a neat, well labelled diagram of the human digestive system.
Justify the following statements:
(a) Crow is an omnivore.
(b) It is said that the mode of nutrition, in human beings and Amoeba, is quite
similar.
Give reasons for the following:
3.
(a) Ingestion of food is difficult without teeth.
(b) If we chew rice, or bread, for a few minutes, it starts tasting sweet.
(c) Bacteria are present in the caecum of ruminants.
Explain how digested food gets absorbed into the blood.​

Answer 1

(a)yes crow is omnivore.

(b) no

hope it helps