The _____ Loses About 5% of Its Cells Every Decade

question 21

Multiple Choice

The _____ loses about 5% of its cells every decade.

• A) hippocampus
• B) hypothalamus
• C) parietal cortex
• D) prefrontal cortex

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Definitions:

Astrocytes

Star-shaped glial cells in the brain and spinal cord, involved in repair and scarring processes of the brain and spinal cord following traumatic injuries.

Mitochondrion

A cell organelle that generates most of the cell's supply of adenosine triphosphate (ATP), used as a source of chemical energy.

Nucleus

A membrane-bound organelle in eukaryotic cells that contains most of the cell's genetic material, organized as multiple long linear DNA molecules in complex with a large variety of proteins.

Golgi Body

An organelle within eukaryotic cells that modifies, sorts, and packages proteins and lipids for transport out of the cell.