Examlex
A uniform pressure of 21 * 105 N/m2 is applied to all six sides of a copper cube. What is the percentage change in volume of the cube? (for copper, B = 14 * 1010 N/m2)
AV Node
The AV Node, or Atrioventricular Node, is a part of the heart's electrical system that acts as a gatekeeper, controlling the electrical impulses between the atria and ventricles.
Cardiac Conduction
The process by which the heart's electrical system transmits signals, leading to muscle contraction and heartbeats.
Cardiac Control Center
The area of the brain that regulates the rate and strength of heart contractions, primarily located in the medulla oblongata.
Blood Pressure
The force exerted by circulating blood on the walls of blood vessels, typically measured in the upper arm.
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