'Mortal' in the Bible

and exchanged the glory of the immortal God for an image resembling mortal human beings or birds or four-footed animals or reptiles.

Therefore do not let sin reign in your mortal body so that you obey its desires,

Moreover if the Spirit of the one who raised Jesus from the dead lives in you, the one who raised Christ from the dead will also make your mortal bodies alive through his Spirit who lives in you.