Question

1.
2.
Food is to be thoroughly chewed and ground while eating. Why?
(a) To feel the taste of food
6) To give exercise to teeth
(c) To facilitate digestion
(d) To mix hydrochloric acid in food
The levels of Oxygen and Carbon dioxide are maintained constant in
the atmosphere
a. Due to respiration by animals
MB. Due to photosynthesis by plants
c. Due to the processes of respiration and photosynthesis
d. Due to decrease in plant population
Complete the flow chart adding the different stages, related organs and
functions of the process of nutrition.
3.
Nutrition​

Answer 1

answers

2. option (c)

3. option (c)

Answer 2

Answer:

1) to facilitate digestion

2)Due to the processes of respiration and photosynthesis

3)Ingestion

Digestion

Absorption

Assimilation

Excretion