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The Muscular System #1

Across
Thousands of slender strands that lay side-by-side and run the length of each muscle fiber.
The neuron responsible for sending impulses which stimulate muscle fibers to contract.
The universal unit of energy
Made of myosin protein
Muscle fibers are arranged in bundles
Striplike retaining bands of connective tissues that act as bracelets and help stabilize tendons and keep them in place.
Intercellular fluid within muscle fibers. Equivalent of cytoplasm
Basic unit of contraction.
Surrounds each individual muscle fiber
A red respiratory pigment that stores oxygen and gives muscle a red color
Down
Made of 3 filaments, Actin, troponin, and tropomyosin
The principal nerotransmitter involved in muscle contraction
Space occupying the neuromuscular junction
Covering of the muscle fiber or cell
Muscle cells
Thin and thick filaments
Coils around and covers actins binding sites
Broad flat tendon
Surrounds the fasciculi
Surrounds the entire muscle
Indentations that travel into the cell. Also called Transverse Tubules
Act as nails holding the tropomyosin in place
General term for connective tissue
Cord that anchors muscle to bone