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Clemson Biol 2220 Exam 3 Quizzes and solutions £11.31
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Exam (elaborations)

Clemson Biol 2220 Exam 3 Quizzes and solutions

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  • Module
  • Biol 2220
  • Institution
  • Biol 2220

What do skeletal and smooth muscle have in common? - answer-1. has elongated cells 2. nucleated What do skeletal and cardiac muscle have in common? - answer-1. nucleated 2. Striations What do smooth and cardiac muscle have in common? - answer-1. both involuntary control 2. nucleated De...

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  • January 4, 2025
  • 21
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Biol 2220
  • Biol 2220
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Clemson Biol 2220 Exam 3 Quizzes and
solutions
What do skeletal and smooth muscle have in common? - answer-✔1. has elongated
cells
2. nucleated


What do skeletal and cardiac muscle have in common? - answer-✔1. nucleated
2. Striations


What do smooth and cardiac muscle have in common? - answer-✔1. both
involuntary control
2. nucleated


Define excitability - answer-✔The ability to change a membrane potential


Define contractility - answer-✔The ability to shorten, when stimulated


Define extensibility - answer-✔Ability to extend/stretch, even stretching beyond
their resting length, when relaxed.


Define elasticity - answer-✔Ability of a muscle cell to recoil and resume resting
length after stretching.


What are the 4 characteristics of muscle tissues? - answer-✔1. Excitability
2. Contractility

,3. Extensibility
4. Elasticity


What are the 4 basic muscle functions? - answer-✔1. Produce movement
2. Maintain posture
3. Stabilize joints
4. Generate heat


State the Muscle organization levels from smallest to largest (6) - answer-
✔myofilament-->sarcomere --> myofibril-->Muscle cell-->fascicle-->muscle
(organ)


A myofilament contains ____________ and _____________. It is the
___________ level of a muscle. - answer-✔-Acin and myosin
-smallest


A sarcomere is a segment composed of __________________s. The unit goes from
__ disk to __ disk. - answer-✔myofilaments, goes from z disk to z disk.


A myofibril is made up from ___________________s, aligned within. - answer-
✔sarcomeres


A muscle (fiber) cell is wrapped in ______________________, which is then
enveloped in __________________. - answer-✔sarcolemma, then endomysium.


(sarcolemma holds the fiber together, while the endomysium wraps around it next)

, A fascicle holes many ____________ ______________. - answer-✔muscle fibers


A fascicle is surrounded by _________________. - answer-✔perimysium


The whole muscle is covered in _____________________. - answer-✔Epimysium


A muscle organ is made up of many __________________. - answer-✔fascicles


What part of a skeletal muscle do these cover?


1.Epimysium-
2.Perimysium-
3.Endomysium- - answer-✔1.The whole muscle organ
2. covers fascicles
3. covers muscle fibers (cells)


Epimysium is made up of ____________ ____________ connective tissue. -
answer-✔dense irregular


Perimysium is made up of _____________ ______________ connective tissue. -
answer-✔dense irregular


Endomysium is made up of fine ___________________ connective tissue. -
answer-✔areolar

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