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Muscular System

Muscular System Ch. 8

QuestionAnswer
Kind of energy muscles use to contract chemical
tissues found in the skeletal muscle blood, skeletal muscle, connective and nervous
Skeletal muscle is separated from adjacent muscles by ________________. Fascia
Layers of connective tissue extending into the muscle to form partitions between musclebundles are continuous with attachments of muscle to periosteum are called _____________. Tendons
The striated appearance of skeletal muscle is due to the arrangement of the alternating thick and thin protein filaments are composed of ______________ and _____________. Actin and Myosin
Functional units of muscle contractions are _______________. Sarcormeres
"I" bands are composed of ______________ _____________. Active Filaments
Union between a nerve fiber and muscle fibers is called the ___________________ ____________________. Neuromuscular Junction
The motor neuron and the muscle fibers it controls are called a ______________ ______________. Motor Unit
When the cross bridge of the myosin molecule forms linkages with actin filaments, the result is ____________. Shortening of the muscle fiber
Neurotransmitter necessary for the transmission of an impulse from a nerve to a skeletal muscle fiber is ___________________. ACH (acetylcholine)
The energy used in muscle contraction is supplied by the decomposition of _________________. ATP (Adenosine Triphosphate)
Smooth muscle contracts more _____________ than skeletal muscle following stimulation. slowly
Impulses travel relatively slowly or rapidly through the cardiac muscle. rapidly
Created by: n2biology
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