Built- Up Roof Felts Are Available in Type IV and Type

question 86

Essay

Built- up roof felts are available in Type IV and Type VI. Explain the difference between them.

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Definitions:

Chordae Tendineae

Heart strings that connect the papillary muscles to the tricuspid valve and the mitral valve in the heart.

Mitral Valve

A valve in the heart located between the left atrium and left ventricle; it prevents the backflow of blood into the atrium.

Aortic Valve

A valve in the heart between the left ventricle and the aorta that prevents blood from flowing back into the heart.

Conducting System

A network of specialized cardiac muscle cells responsible for initiating and distributing the electrical impulses that stimulate heart contraction.