We Have Often Heard of the Myth That We Only

question 149

Multiple Choice

We have often heard of the myth that we only use 10% of our brain. Why might we be convinced that this is true?

• A) there are no neurotransmitters in much of the brain
• B) we share 10% of our cortex with lower animals
• C) a great deal of cortex can be removed with only a small loss of function
• D) brain scans reveal that only 10% of the brain is active at any given time
• E) we have only mapped about 10% of the brain

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Definitions:

Transitional Epithelium

A type of epithelium characterized by its ability to stretch and change shape, found in the urinary tract.

Simple Squamous Epithelium

A single layer of flat cells lining surfaces involved in diffusion and filtration, such as blood vessels and lungs.

Connective Tissue

A type of tissue in the body that supports, binds together, or separates other tissues and organs, made up of cells embedded in an extracellular matrix.

Chondrocytes

Cells found within the cartilage that produce and maintain the cartilaginous matrix.