The term 'heart or liver' can be represented by two crossword solutions: ORGAN (5 letters) and HASLET (6 letters). An ORGAN is a part of an organism that is specialized for a particular function, and the heart and liver are two of the most important organs in the human body. The heart is responsible for pumping blood throughout the body, while the liver is responsible for filtering toxins from the bloodstream. Haslet is a type of meat made from the heart or liver of an animal, usually a pig or cow.