Thank you Skaranveer.
welcome !!!!!!!! it's my pleasure
Can anyone answer me about Physiology.
Sorry guys don't worry about it I got the answer for this question in my textbook now.
i know !!! i know !!!! it is the study of functions of our human system.


  Enzymes are proteins that function as biological catalysts ...the human body contains 1000's  different types of enzymes. 
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PHYSIOLOGY is the branch of biology dealing with the functions and activities of living organisms and their parts,including all physical and chemical processes...

ENZYMES are large biological molecules responsible for the thousands of metabolic processes that sustain life...