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...
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
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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