'Flesh and Blood' in the Bible

And Jesus answered and said unto him, Blessed are you, Simon Barjona: for flesh and blood has not revealed it unto you, but my Father who is in heaven.

Now this I say, brethren, that flesh and blood cannot inherit the kingdom of God; neither does corruption inherit incorruption.

To reveal his Son in me, that I might preach him among the Gentiles; immediately I conferred not with flesh and blood:

For we wrestle not against flesh and blood, but against principalities, against powers, against the rulers of the darkness of this world, against spiritual wickedness in heavenly places.

Since then the children are partakers of flesh and blood, he also himself likewise took part of the same; that through death he might destroy him that had the power of death, that is, the devil;