Question

respiration in humans is a chemical change . explain with a reason​

Answer 1

Answer:

respiration is a chemical change

Explanation:

because the process continues without any change

Answer 2

Reason :-

We know that the chemical change is a change in which new substance is formed. Hence, we also know that in Respiration, oxygen is taken and carbon dioxide is formed/realeased; Thus, the carbon dioxide is the new formed substance which makes respiration to be called as a Chemical change!