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The Muscular System part 1

Across
Neuron responsible for sending impulses which stimulate muscle fibers to contract
Attached to z lines at the end of the sarcomere. Consist of Actin, troponin, and tropomyosin
Proteins located in the center of a sarcomere, heads are shaped like golf clubs and attach to actin
Striplike retaining bands of connective tissue that act like bracelets and help stabilize tendons and keep them in place
Also known as ACH. principle neurotransmitter involved in muscle contraction
Where the nervous system communicates with the muscular system
Muscle cells
There are thousands of these slender strands running through the muscle fiber
A thin filament that acts as a binding site for myosin
Covering of the muscle cell
Located within the sarcomeres and lie in parallel rows to form a honeycomb arrangement
Intercellular fluid within a muscle fiber
Indentations that travel in a muscle cell and allow impulses to travel deep into the cell during contraction
Down
Folded sections of the sarcolemma or covering of a muscle fiber which contains receptor sites for neurotransmitters
Made up entirely of myosin, located in the sarcomere. Function in the act of contraction
Surrounds Fascicle
Broad flat tendon
Connective tissues that cover, protect, separate, and bind body organs and structures together
Muscle fibers arranged in bundles
Adenosine Triphosphate. The universal unit of energy in a cell
Space occupying the neuromuscular junction
Decline of ability of a muscle to generate force
States that when an individual muscle fiber receives a stimulus to contract, it will contract to its fullest ability or not at all
Surrounds the muscle
A single motor neuron and all muscle fibers to which it attaches.
Basic unit of contraction