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A&P MUSCULAR SYSTEEM
Question | Answer |
---|---|
NAME THE FUNCTIONS OF THE MUSCULAR SYSTEM | 1. MOTION 2. MAINTAIN POSTURE 3. STABILIZES JOINTS 4. HEAT PRODUCTION |
List the characteristics of muscle cells | EXCITABILITY (RECEIVE AND RESPOND TO STIMULI) CONTRACTILITY (SHORTEN & THICKEN) ELASTICITY (RETURN TO ORIGINAL STATE) EXTENSIBILITY (STRETCH OR EXTEND) |
MICROSCOPIC STRUCTURE OF SKELETAL MUSCLE CELL | MUSCLE FASCICLE MUSCLE CELL MYOFIBRILS SARCOMERE MYOFILAMENTS |
SLIDING FILAMENT THEORY | DURING CONTRACTION THE THIN FILAMENTS SLIDE PAST THE THICK ONES SO THAT THE ACTIN AND MYOSIN FILAMENTS OVERLAP TO A GREATER DEGREE |