An electro magnet is a temporary magnet made by winding wire around an iron core. When current flows in the coil the iron becomes a magnet, and when the current is turned off it looses it's magnetic properties.

Answer:

The maxilla, also known as the upper jaw, is a vital viscerocranium structure of the skull. It is involved in the formation of the orbit, nose and palate, holds the upper teeth and plays an important role for mastication and communication.

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