Answer :

Some Proteins works as catalyst and helps to proceeds biochemical reaction.Each protein in our body has specific function
Antibodies ;-Antibodies are specialized protein help in defending our body from antigens
Contractile:- Contractile are responsible for movement eg actin or myosin
Enzymes:-Enzymes speed up biochemical reaction.


Proteins and Calcium are use to make our body strong. Some proteins are proceeds as the bio-chemicals. 
 

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