Meet the word that defies pronunciation: 'methionylthreonylthreonylgl...isoleucine.' At an astonishing 189,819 letters, it is the chemical name for the protein nicknamed titin. Titin is a gigantic protein that plays a crucial role in muscle contraction. 🧬 #FunFactswithTestingMom

Who says learning stops after school? Keep the knowledge flowing every Friday with our fun fact series! Start your weekend off right by expanding your knowledge with our Friday fun facts on one of the coolest and largest penguin families! 🌟 #WeekendPrep #FunFactswithTestingMom