________ External Branchial Sinus

question 248

Multiple Choice

________ External branchial sinus

• A) A
• B) B
• C) C
• D) D
• E) E

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Definitions:

Tungsten Filaments

Thin strands of tungsten used as the heating element in incandescent light bulbs, producing light when electrically heated.

Incandescent Bulbs

Electric light sources that produce light by heating a filament wire to a high temperature.

Tungsten Lightbulb

A type of incandescent light bulb that uses a tungsten filament to produce light when heated by an electric current.

Candle Power

A measure of light intensity now largely replaced by the metric unit, candela.