Question

fill in the blanks:-
1) fermentation occurs in the __________ of oxygen
2)during respirations __________ is taken in and ______________ is taken out.
3)the first phase of respiration is known as ______________.
4)_____________ is the most useful respiratory material.
5) the nasal cavity leads to the ___________

Answer 1

2:- oxygen , CO2

3:- glycolysis

4:- lungs

Answer 2

1. _______

2. oxygen, ____

3. glycolysis

4. lungs

Hope this will help you