'Function' in the Bible

For this reason, God delivered them to degrading passions as their females exchanged their natural sexual function for one that is unnatural.

In the same way, their males also abandoned their natural sexual function toward females and burned with lust toward one another. Males committed indecent acts with males, and received within themselves the appropriate penalty for their perversion.

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].

Now as we have many parts in one body, and all the parts do not have the same function,