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KatrinaLJames
Weeks 1-7 Anatomy
Question | Answer |
---|---|
PLASMA MEMBRANE OF MUSCLE FIBER | SARCOLEMMA |
MUSCLE CELLS CYTOPLASM | SARCOPLASM |
4 PROTEIN MOLECULES THAT MAKE UP MYOFILAMENTS | MYOSIN, ACTIN, TROPOMYOSIN, TROPONIN |
THREE MAJOR FUNCTIONS OF THE SKELETAL MUSCLE | MOVEMENT, HEAT PRODUCTION, POSTURE |
RED PIGMENT USED BY MUSCLE FIBERS TO STORE OXYGEN | MYOGLOBIN |
MOTOR NEURONS, PLUS THE MUSCLE FIBERS TO WHICH IT ATTACHES CONSTITUTES A FUNCTIONAL UNIT CALLED A | MOTOR UNIT |
CONTINUAL, PARTIAL CONTRACTION IN A MUSCLE ORGAN | TONIC CONTRACTION |
THREE PHASES OF TWITCH CONTRACTION | LATENT PERIOD, CONTRACTION PHASE, RELAXATION PHASE |
LOW LEVEL OF CONTINUOUS CONTRACTION | MUSCLE TONE |
A SINGLE SUDDEN INCREASE IN CALCIUM AVAILABILITY TRIGGERS | TWITCH CONTRACTION |
CONTRACTION IN WHICH THE TONE OR TENSION WITHIN A MUSCLE REMAINS THE SAME AS THE LENGTH OF THE MUSCLE CHANGES | ISOTONIC CONTRACTION |