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A 0.13-m string, fixed at both ends and vibrating in its n = 4 harmonic, excites a pipe that is long and open at both ends, into its second overtone resonance. What is the speed of transverse waves on the string? The speed of sound in air is 345 m/s.
Purkinje Fibers
Specialized conducting fibers located in the heart's ventricles that help regulate the heart's rhythm.
Heart Skeleton
Fibrous connective tissue that provides a point of attachment for cardiac muscle cells, electrically insulates the atria from the ventricles, and forms the fibrous rings around the valves.
Electrical Insulation
Materials or systems that prevent the passage of electrical current, used to protect, isolate, and contain electrical conductors.
Atria
The two upper chambers of the heart that receive blood from the veins and pump it to the ventricles.
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