Which of the following words means relating to normal function? proxy
stereotype
physiological
mediocre

In terms of medicine and biology, the word that means "normal function" is physiological.

Explanation:

Physiology is one of the areas of study of biology, where it describes how the normal functioning of cells, tissues, organs and systems should be, including the physical and chemical processes that occur in living beings.

The reference to a physiological state implies that all functions within a living organism occur as expected, with normality.  It can be established that an organism in physiological conditions maintains its homeostasis. Physiological also serves as a reference to know when something is not working normally.

The other options are not related to normal processes and functions:

Proxy is an intermediary or substitute for performing a function.Stereotype has nothing to do with biological functions.Mediocre means that something is not sufficient or adequate to be accepted.

Where are the following

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