Examlex
The cells that carry electric signals from one part of the body to another in the nervous system are ________.
Peak Contraction
The moment during a muscle exercise when the muscle is fully contracted, offering maximum tension.
H Zone
A region within the sarcomere of striated muscle fibers that becomes narrower during muscle contraction.
Cross-Bridges
The connections formed between actin and myosin filaments in muscle fibers during contraction, allowing the muscle to generate force and movement.
Muscle Fiber
An individual muscle cell, elongated and capable of contracting, that makes up skeletal muscles.
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