Question

1. Draw a neat, well labelled diagram of the human digestive system.
2. 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.
3. Give reasons for the following:
(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.
4. Explain how digested food gets absorbed into the blood.
5. State, in one/two sentence/s each, the various processes involved in nutrition in ruminant animals.
6. Explain ingestion of food, in amoeba, through a diagram.​

Answer 1

Answer:

uauhshahshhshdhdhhdhdhdhdhdh

Answer 2

Answer:

the liver and the spleen break down dead red blood cells