Metamorphosis
Part of speech: noun
Definition: A transformation, such as that of magic or by sorcery A noticeable change in character, appearance, function or condition. A change in the form and often habits of an animal after the embryonic stage during normal development. (e.g. the transformation of a caterpillar into a butterfly or a tadpole into a frog.) A change in the structure of a specific body tissue. Usually degenerative.
Metabolism
Part of speech: noun
Definition: The complete set of chemical reactions that occur in living cells.
Example sentence: You can dramatically affect the expression of your metabolism and your biochemistry by the way you eat and the way you live.