'Flesh' in the Bible

I also {explored} {the effects of indulging my flesh} with wine. My mind guiding me with wisdom, {I investigated} folly so that I might discover what [is] good under heaven for {humans} to do {during the days of their lives}.

Do not let your mouth lead your flesh into sin, and do not tell the messenger that it [was] a mistake. Why anger God at your words, so that he destroys the work of your hands?