BIO 192 Exam 2 NAU Study Guide Solutions
3 Traits of Skeletal Muscle - ANSWER-Striated
Multi Nuclei
Voluntary
3 Traits of Cardiac Muscle - ANSWER-Striated
Single Nuclei
Involuntary
3 Traits of Smooth Muscle - ANSWER-Smooth
Single Nuclei
Involuntary
What are the 2 main branches of the nerv...
What does the PNS include - ANSWER✔✔-afferent (sensory) and efferent (motor)
Efferent expands to - ANSWER✔✔-Autonomic - cardiac and smooth
Somatic - skeletal
Connects bone to muscle - ANSWER✔✔-Tendon
Epimysium - ANSWER✔✔-connective tissue around whole muscle
Perimysium - ANSWER✔✔-Connective tissue surrounding a fascicle
endomysium - ANSWER✔✔-Connective tissue surrounding a muscle fiber
fascicle - ANSWER✔✔-bundle of muscle fibers
myofibrils - ANSWER✔✔-make up muscle fibers
sarcolemma - ANSWER✔✔-muscle cell plasma membrane
sarcoplasmic reticulum - ANSWER✔✔-modified ER, stores calcium
sarcoplasm - ANSWER✔✔-cytoplasm of a muscle cell
function of t tubules - ANSWER✔✔-increase surface area on muscle fiber, passageways for calcium and
signals
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