What is another word for haemitin?
Pronunciation: [hˈiːmɪtˌɪn] (IPA) 
Haemitin is a molecule that plays a crucial role in the function of hemoglobin and myoglobin. It is often referred to as heme, which is its shortened form. Other synonyms for haemitin are ferriprotoporphyrin IX, iron protoporphyrin IX, and iron porphyrin. Heme is responsible for the red color of blood and is critical for the transport of oxygen from the lungs to the rest of the body. It is also involved in the breakdown of food to produce energy. Haemitin is an important molecule in biology and has several synonyms that are used interchangeably in scientific literature.
