'Natures' in the Bible

You however, brethren, were called to freedom. Only do not turn your freedom into an excuse for giving way to your lower natures; but become bondservants to one another in a spirit of love.

This then is what I mean. Let your lives be guided by the Spirit, and then you will certainly not indulge the cravings of your lower natures.

Now you know full well the doings of our lower natures. Fornication, impurity, indecency, idol-worship, sorcery;