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Side ASide B
Cardiac and skeletal muscle are _____
Cardiac and smooth muscle are also _______
smooth muscle is typically found within the walls of hollow visceral organs, blood vessels, and ____
A skeletal muscle cell is called a _____ fiber
fasicicles and endomysium and muscle fibers.
Functional unit of muscle contraction is the sarcolemma, sarcoplasmic reticulum, and _____
Thin myofilaments are composed of myosin, actin, and light chain _____
The sarcoplasmic reticulum of muscle fibers is a storage site for calcium ions and releases the calcium when stimulated.
by action potential
_ tubules are continuous with the sarcolemma
An action potential is a rapid up and down shift in the voltage across a membrane from the negative resting to a positive ____
resting membrane potential is maintaned by
sodium potasium ATP pump
Acetyl choline is the neurotransmitter released from vesicles in the synaptic knob of the ____
1.) Nerve signal 2.) Calcium is released 3.) ACh diffuses across synaptic cleft 4.) Binding causes a comformational change 5.) K+ gates open 6.) Depolarization spreads along sarcolemme 7.)...
A ___ unit consists of a motor neuron and the muscle fibers it innervates.
The amount of tension generated by a muscle and the force of its contraction depends on how relaxed or contracted it was prior to ________.
Concentric muscle contraction ecentric
muscle curling up weight going down