liver: large and complicated reddish-brown glandular organ located in the upper right portion of the abdominal cavity; secretes bile and functions in metabolism of protein and carbohydrate and fat; synthesizes substances involved in the clotting of the blood; synthesizes vitamin A; detoxifies poisonous substances and breaks down worn-out erythrocytes
internal organ: a main organ that is situated inside the body
poisonous plant: a plant that when touched or ingested in sufficient quantity can be harmful or fatal to an organism