Physiology > QUESTIONS & ANSWERS > AQUAFIT BCRPA - Chapter 4 - Muscle Structure and Function, Questions and answers, 100% Accurate, r (All)
AQUAFIT BCRPA - Chapter 4 - Muscle Structure and Function, Questions and answers, 100% Accurate, rated A+
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AQUAFIT BCRPA - Chapter 4 - Muscle Structure and Function, Questions and answers, 100% Accurate, rated A+ Muscle Belly - ✔✔-are made up of bundles of muscles fibres (fasciculi) and wrapped in... epimysium. Muscle Bundles - ✔✔-are made up of muscle fibres and wrapped in perimysium. Muscles Fibres - ✔✔-are made up of myofibrils and wrapped in endomysium and sarcolemma. Myofibrils - ✔✔-contain the actin and myosin protein filaments (myofilaments) Actin - ✔✔-is thin and light in colour and attached to Z-discs. Myosin - ✔✔-is thick and dark and contains crossbridges which attach and pull on actin Sarcomere - ✔✔-the contractile unit of muscle fibre; the are between two Z-discs. ATP - ✔✔-(adenosine triphosphate) the chemical energy for muscular contrac [Show More]
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