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Find the unit tangent and unit normal vectors to the curve r(t) = 2 sin t i + 3 cos t j at . Sketch a portion of the curve showing the point of tangency.
Smooth Muscle
A type of muscle tissue which is not under voluntary control and is found in the walls of internal organs.
Cardiac Muscle
A specialized type of muscle found only in the heart, characterized by its ability to contract involuntarily and rhythmically.
Neuromuscular Junctions
Specialized synapses between motor neurons and skeletal muscle fibers, crucial for initiating muscle contraction.
Skeletal Muscle
A type of striated muscle tissue which is under the voluntary control of the somatic nervous system; it is used to facilitate movement by applying force to bones and joints via contraction.
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