The term for the 4 sections of the heart muscle is the cardiac muscle.
Well there are more than four sections to data center. Mainframe, Server, DeMark, Electrical, Mechanical, Command Center, UPS I could go on and on
There are no bones in the heart. The heart is a four chambered muscular pump.
-Name a vertebrate that has a 4-chambered heart -A hummingbird would be one good example of a vertebrate that has a four chambered heart.
Quartet
Pericardium
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One of the four sections of a graph divided by the x and y axis is called a quadrant. There are four quadrants in total, numbered I, II, III, and IV, starting in the top-right and moving counter-clockwise.
'Here is My Heart'.
Her name is Meleasa. They have four children together
Diamond, Clubs, Heart, and Spade
the left and right atria and the left and right ventricles
There are four chambers of the heart, the right atrium, left atrium, right ventricle, and left ventricle.