H Multiple Choice Questions (Choose the correct option).
1. Which of these allows exchange of gases?
(a) Excretion
(b) Respiration (c) Digestion
2. The intake of air rich in oxygen takes place during
(d) None of these
Answers
Answered by
1
DEFINITION
excretion in living organisms and cells) the process of eliminating or expelling waste matter.
respiration breath
Digestion is the breakdown of large insoluble food molecules into small water-soluble food
respiration allow to take place
Answered by
1
1- (b) respiration allows the exchange of gases
2- (d) the intake of air rich in oxygen is called inhalation
Similar questions