What body systems are used to pick up a pencil and write down a few sentences in the space below? fingers, hand and arms is not what i’m looking for.

All of the following statements about enzymes are correct except: proteolytic enzymes are also known as proteases. pectin methyl esterase causes browning of cut fruit. cloud loss in orange juice is due to enzyme activity. proteolytic enzymes in fish cause tissue softening during storage.