'Function' in the Bible

For this reason God gave them over to degrading and vile passions; for their women exchanged the natural function for that which is unnatural [a function contrary to nature],

For no person will be justified [freed of guilt and declared righteous] in His sight by [trying to do] the works of the Law. For through the Law we become conscious of sin [and the recognition of sin directs us toward repentance, but provides no remedy for sin].

For just as in one [physical] body we have many parts, and these parts do not all have the same function or special use,