The jejunum is about 0.9 meters (3 feet) long (in life) and runs from the duodenum to the ileum. jejunum means “empty” in latin and supposedly was so named by the ancient greeks who noticed it was always what?« Back to Previous Page

In relaxed muscle, the myosin-binding site on actin is blocked by ________. titin b. troponin c. myoglobin d. tropomyosin 17. The cell membrane of a muscle fiber is called a ________. myofibril b. sarcolemma c. sarcoplasm d. myofilament.