Muscular system — functions?
Movement, posture, heat, stabilization
Muscle tissue traits?
Excitability, contractility, extensibility, elasticity
Skeletal vs cardiac muscles — difference?
Skeletal voluntary, multinucleated; cardiac involuntary, branched.
Muscular system — functions?
Movement, posture, stabilization, heat
Muscle tissues — types?
Skeletal, cardiac, smooth
Sarcomeres — role?
Functional contractile units
Myofilaments — responsible for?
Actin and myosin sliding during contraction
ATP — role in muscle?
Energy for cross-bridge cycling
Muscle fatigue — causes?
ATP depletion, oxygen debt, lactic acid
Tendons — connect?
Muscles to bones, origin less movable, insertion more
Answer 10 questions on Muscular System Fundamentals.
1. What is the primary function of the muscular system?
2. Which characteristic is unique to cardiac muscle tissue compared to skeletal and smooth muscles?
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