Examlex
Use the method of cylindrical shells to find the volume of solid obtained by rotating the region bounded by the given curves about the x-axis.
SA Node
The sinoatrial node, often regarded as the heart's natural pacemaker, initiates electrical impulses that determine the heart rate.
AV Node
The Atrioventricular Node, a critical component of the heart's electrical system, responsible for controlling the timing of heart muscle contractions.
Bundle of His
A group of specialized heart muscle cells that are designed for electrical signaling, responsible for carrying impulses from the AV node to the heart's ventricles.
Pulmonic Valve
The heart valve that separates the right ventricle from the pulmonary artery and regulates blood flow to the lungs.
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