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The Muscular System

Across
Muscles are generating force while their length remains the same and movement does not occur
The neural phenomenon that prevents an antagonist from contracting while a prime mover is contracting
Surrounds each individual muscle fiber
Thick and think fibers contained within the sarcomere
An example of a Class 1 lever
An example of a class 3 lever
Strong central structural unit or band
This structure contains 3 parts; the motor end plate, motor neuron, and synaptic gap
The universal unit of energy in the cell
Striplike retaining bands of connective tissue
Down
The system of interconnected hollow tubes that play a crucial role in muscular contractions by storing and releasing calcium ions
contain binding sites for myosin
Thick myofilament located in center of sarcomere
Characteristic of muscle that means muscles can respond to stimulus
Characteristic of muscle that means that muscles become longer when relaxed and stretch while generating force
Muscles lengthen and elongate while generating force
Characteristic of muscle that means the ends of the muscles and units within muscles pull toward its center
Located within the muscle belly and are activated when the muscle is stretched rapidly and respond by contracting the muscle reflexively
The principal neurotransmitter involved in muscle contraction