What is another word for haem?
Pronunciation: [hˈiːm] (IPA) 
Haem, also known as heme, is a molecule that is crucial for various biological processes, including oxygen and carbon dioxide transport. There are several synonym words for haem, which include hemoglobin, myoglobin, cytochrome, and porphyrin. Hemoglobin is a protein found in red blood cells that carries oxygen to different parts of the body, whereas myoglobin is a protein found in muscles that stores oxygen. Cytochrome is a protein found in the mitochondria that is involved in the electron transport chain during cellular respiration. Porphyrin is a compound that is essential for the formation of haem and plays a critical role in various enzyme-catalyzed reactions.
