Describe the active site of an enzyme. why is it important?

An active site contains a binding site that binds the substrate and orients it for

catalysis. The orientation of the substrate and the close proximity between it and

the active site is so important that in some cases the enzyme can still function

properly even though all other parts are mutated and lose function.

Please choose as brainliest

The exchange of gases between the lungs and the blood is known as exterior respiration. The correct option among all the options that are given in the question is option "C". Exterior respiration is actually the process in which the exchange of gases between the alveoli’s of the lungs and the blood take place. The blood actually carries oxygen from the lungs and gives out the carbon dioxide to the lungs. This is a continuous process and is required for the survival of human beings.