Ventricle
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These supply the main force for moving blood through the pulmonary and
peripheral circulations.
Proximal
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Closer to the trunk
,Venous System
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system that returns blood toward the heart
Myosin
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Show up darker under a microscope. Thick Filaments. In A band and H zone
Purkinje Fibers
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conduct impulses 6X faster than all of the other three intrinsic mechanisms
that control heart rate.
Motor Unit
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a motor neuron and the muscle fibers it innervates
, Distal
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farther from the trunk
Tricuspid Valve
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prevents the flow of blood from the ventricles back into the atria on the
right side of the heart during ventricular contraction or systole.
Sliding-Filament Theory
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states that actin filaments at each end of the sarcomere slide inward on
myosin filaments, pulling the Z-lines toward the center of the sarcomere
and thus shortening the muscle fiber.
Trachea
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These supply the main force for moving blood through the pulmonary and
peripheral circulations.
Proximal
Give this one a try later!
Closer to the trunk
,Venous System
Give this one a try later!
system that returns blood toward the heart
Myosin
Give this one a try later!
Show up darker under a microscope. Thick Filaments. In A band and H zone
Purkinje Fibers
Give this one a try later!
conduct impulses 6X faster than all of the other three intrinsic mechanisms
that control heart rate.
Motor Unit
Give this one a try later!
a motor neuron and the muscle fibers it innervates
, Distal
Give this one a try later!
farther from the trunk
Tricuspid Valve
Give this one a try later!
prevents the flow of blood from the ventricles back into the atria on the
right side of the heart during ventricular contraction or systole.
Sliding-Filament Theory
Give this one a try later!
states that actin filaments at each end of the sarcomere slide inward on
myosin filaments, pulling the Z-lines toward the center of the sarcomere
and thus shortening the muscle fiber.
Trachea
Give this one a try later!
