Muscular System Word Scramble
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Question | Answer |
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 |
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n2biology
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