A&P Lab Quiz 3 (7)
Home > Preview
The flashcards below were created by user
on FreezingBlue Flashcards.
When a prime mover contracts and bones move, the muscle than must relax is called the
Ligaments and tendons are formed from
The less movable point of attachment of a muscle crossing a joint when it contracts is the
What nervous system division originates voluntary muscle movements?
central nervous system
As their concentration in the sarcoplasm increases, calcium ions bind to ___, changing its shape and liberating tropomyosin from actin binding sites
What neurotransmitter is released at the muscle junction when an action potential arrives at the motor neuron terminal?
During the propagation of the excitation wave along the sarcolemma, the action potentials travel down the ____, stimulating the intracellular release of calcium ions
transverse (T) tubules
According to the sliding filament model of muscle contraction, the myofilaments sliding over each other result in the overlapping of myosin and
A motor neuron plus all of the muscles fibers which it innervates
A motor unit
The contraction process in a skeletal muscle is initiated by a release of ___ ions from the sarcoplasmic reticulum
What would you like to do?
Home > Flashcards > Print Preview