'Exercise' in the Bible

Each competitor must exercise self-control in everything. They do it to receive a perishable crown, but we an imperishable one.

to another the exercise of miraculous powers; to another the gift of prophecy; to another the power of discriminating between prophetic utterances; to another varieties of the gift of 'tongues;' to another the interpretation of tongues.

If the whole body were an eye, what part would do the hearing? If the whole were an ear, what part would exercise the sense of smell?

If there is anything they want to learn [that is, if they have questions about anything being said or taught], they are to ask their own husbands at home; for it is improper for a woman to talk in church.