What Share of the U

question 104

Short Answer

What share of the U.S.population is now over the age of sixty-five? What is the trend over time?

---

Definitions:

Cell Body

Portion of a neuron that contains a nucleus and from which dendrites and an axon extend.

Dendrite

Part of a neuron that sends signals toward the cell body.

Axon

A long, slender projection of a nerve cell, or neuron, that typically conducts electrical impulses away from the neuron's cell body.

Nucleus

A membrane-bound organelle found in eukaryotic cells that contains most of the cell's genetic material.