The diaphragm or midriff, which stretches above the liver all across the thorax. Exodus 29:13,22; Leviticus 3:4,10,15; Leviticus 4:9; Leviticus 7:4; Leviticus 8:16,25; Leviticus 9:10,19 . In Hosea 13:8 it is the pericardium, that which encloses the heart.