A "Micron" Is Defined as One-Millionth of a Meter

question 24

Essay

A "micron" is defined as one-millionth of a meter.The average diameter of a strand of
human hair is 60 microns.How many of these hairs, laid sideways next to each other, would it
take to cover 3 cm?

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Definitions:

Heart Chambers

The four compartments of the heart including two atria and two ventricles, involved in pumping blood throughout the body.

Cardiac Conduction System

A system of specialized muscle tissues in the heart that initiates and coordinates the contraction of the heart, regulating its rhythm.

Purkinje Fibers

Specialized fibers in the heart that help regulate the heart's rhythm by conducting electrical impulses swiftly.

AV Bundle

The His bundle, a group of specialized cardiac muscle cells designed for conducting electricity, conveys the electrical signals from the AV node to the apex where the fascicular branches begin.