Liver
Chutzpah, Courage
noun
きも
肝 (きも) Liver, Chutzpah, Courage
胆 (たん、きも) Guts, Innards, Courage
肝臓 (かんぞう) Liver
The liver is an organ only found in vertebrates which detoxifies various metabolites, synthesizes proteins and produces biochemicals necessary for digestion and growth.