Muscle Physiology Verified Answers
Only skeletal muscles ️️the muscles that the muscular system includes
1movement of the skeleton
2posture and body position
3supports soft tissues
4guards enterence/exit
5maintains body temp ️️functions of the skeletal muscles
muscle fibers �...
sarcomere ✔️✔️what is the smallest contractile unit of muscle
tendon (bundle of muscle)
aponeurosis (sheet/ broad flat tendon)) ✔️✔️endomysium, perimysium, and epimysium come
together to form a __(bundle of muscle) or __ (sheet/ broad flat tendon)
nevers of CNS ✔️✔️skeletal muscles are controlled by
1supply large amounts of O2 and nutrients
, 2carry away waste ✔️✔️functions of blood vessels in muscles
more muscle fibers you need ✔️✔️the finer your movement is the
sarcolemma ✔️✔️__ is the cell membrane of a muscle fiber (cell)
sarcolemma ✔️✔️__ surrounds the sarcoplasm (cytoplasm of muscle fiber)
transmembrane potential ✔️✔️in sarcolemma, a change in __ begins contraction
Transverse tubules (T tubules) ✔️✔️__ transmit action potential through cell
Transverse tubules (T tubules) ✔️✔️__ have the same properties as sarcolemma
myofibrils ✔️✔️subdivisions within muscle fiber
myofibrils ✔️✔️made up of protein filaments called myofilaments
myofilaments ✔️✔️__ are responsible for muscle contraction
actin ✔️✔️thin filament is made of protein
myosin ✔️✔️thick filament is made of protein
sarcoplasmic reticulum (SR) ✔️✔️__ is a membranous structure surrounding each myofibril
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