'Downwards' in the Bible

Who knoweth the spirit of the children of men? Doth it go upwards? and the spirit of the beasts, doth it go downwards to the earth?

And the remnant of the house of Judah that remain shall {grow} roots downwards and make fruit upwards.

(Now having bought a piece of ground with the money paid for his wickedness he fell there with his face downwards, and, his body bursting open, he became disembowelled.