More Than _____ Percent of the U

question 56

Multiple Choice

More than _____ percent of the U.S.population owns a mobile phone.

• A) 25
• B) 40
• C) 55
• D) 75
• E) 90

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Definitions:

Central Nervous System

The part of the nervous system consisting of the brain and spinal cord, responsible for processing information and controlling responses.

Pluripotent

The ability of a cell to develop into several different types of cells in the body, characteristic of stem cells.

Stem-Cell Research

A field of study focused on the properties of stem cells and their potential to develop into different types of cells in the body, used for regenerative medicine and therapeutic applications.

Synaptic Cleft

The small gap between neurons across which neurotransmitters are released to transmit signals from one neuron to another.