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Compare and contrast the conductive versus the conductive versus the contractile cardiac muscle fibers.
Title: Compare and contrast the conductive versus the conductive versus the contractile cardiac muscle fibers.
Category: Science & Technology / Biology
Details: Words: 730 | Pages: 3.1 (approximately 235 words/page)
Compare and contrast the conductive versus the conductive versus the contractile cardiac muscle fibers.
Compare and contrast the conductive versus the conductive versus the contractile cardiac muscle fibers. Describe their arrangement in the heart and explain the roles each play in the contraction of the heart.
Contractile
&middot;<Tab/>Striated
&middot;<Tab/>Has intercalated discs - gap junctions
&middot;<Tab/>1-2 nuclei
&middot;<Tab/>Branching
&…showed first 75 words of 730 total…
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…showed last 75 words of 730 total…junctions between the ventricular muscle cells themselves. The total time between initiation of the impulse by the SA node and depolarization of the last of the ventricle muscle cells are approximately .22 seconds. Ventricular contraction immediately follows the ventricular depolarization wave. The wringing contraction begins at the heart's apex and move towards the atria, following the direction of the excitation wave through ventricles. This ejects some of the contained blood into the large arteries, leaving ventricles.
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