Final Exam Study Guide
Chapter 1Skeletal Muscle Physiology
Myofibril structures muscle fibers contain hundreds to thousands of myofirbils.
Sarcomere: smallest contractile unit of a muscle fiber
Actin: Has 2 protein molecules called troponin an
Exam III Study Guide
Chapter 6Cardiovascular System
Pericardium, Pericardial Fluid The membranous sac that surrounds the heart. It reduces
cushions the heart.
Blood Flow Through the Heart Inferior & Superior Vena Cava Righ
Exam II Study Guide
Chapter 2Fuel for Energy (Energy Systems)
How is ATP recycled? PCr (creatine) is combined with energy to create ATP
Where does it occur? Within the muscle fiber
How long does it last? Very short, up to 15 seconds