★ Musculoskeletal System Responses to Exercises Quiz
What is the primary function of the transverse tubules in muscle cells?
A. Store and release calcium ions
B. Generate ATP for muscle contraction
C. Anchor myosin to actin filaments
D. Transmit action potentials deep into the muscle fiber
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What is the term used to describe the relationship between force and fiber length in cardiac muscle?
A. Muscle Fiber Relationship
B. Tension-Force Ratio
C. Length-Tension Relationship
D. Force-Length Relationship
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