One of the First Applications of Polyethylene Was

question 71

Multiple Choice

One of the first applications of polyethylene was

• A)billiard balls.
• B)garbage bags.
• C)electrical insulation.
• D)parachutes.

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Definitions:

Contraction

The process of a muscle becoming shorter and tighter, usually in response to a nerve impulse.

Isometric Contraction

Muscle contraction in which the length of the muscle does not change but the tension produced increases.

Action Potential

A temporary reversal of the electrical potential across the membrane of a nerve cell (neuron) that occurs when the cell generates a nerve impulse.

Muscle Fibers

The cells that make up skeletal muscles, capable of contracting to produce movement and force.