<h1>Number of Neurons in a Human Brain</h1>
<p align="center"><a href="http://hypertextbook.com/facts/" target="_top">The Physics Factbook</a>%u2122<br>
Edited by Glenn Elert -- Written by his students<br>
An educational, <a href='JavaScript:openSlide("http://hypertextbook.com/fairuse.shtml")'>Fair Use</a> website</p>
<table border="3" cellpadding="3" cellspacing="2" width="100%">
<tbody><tr bgcolor="#cccccc">
<th align="left">Bibliographic Entry</th>
<th>Result<br>
(w/surrounding text)</th>
<th>Standardized<br>
Result</th>
</tr>
<tr bgcolor="#ffffcc">
<td><i>Glencoe Health 2nd Edition</i>. Mission Hills: Glencoe Inc., 1989:
252.</td>
<td align="center">"Weighing around three pounds (1.35kg), the brain
contains nearly 100 billion cells."</td>
<td align="center">100 billion</td>
</tr>
<tr bgcolor="#ffffcc">
<td><i>World Book 2001</i>. Chicago: World Book Inc., 2001: 551.</td>
<td align="center">"The human brain has from 10 billion to 100 billion
neurons."</td>
<td align="center">10 - 100 billion</td>
</tr>
<tr bgcolor="#ffffcc">
<td><i>Magill's Medical Guide Revised Edition</i>. Salem Press, 1998: 221.</td>
<td align="center">"It has been estimated that the adult brain has around
one hundred billion neurons and an even larger number of glial cells."</td>
<td align="center">100 billion</td>
</tr>
<tr bgcolor="#ffffcc">
<td><i>The Science Times Book of the brain</i>. New York: The Lyons Press,
1987: 150.</td>
<td align="center">"The human brain holds about 100 billion nerve cells."</td>
<td align="center">100 billion</td>
</tr>
<tr bgcolor="#ffffcc">
<td><i>The Scientific American Book of the Brain</i>. New York: Scientific
American, 1999: 3.</td>
<td align="center">"An adult human brain has more than 100 billion neurons"</td>
<td align="center">> 100 billion</td></tr></tbody></table>
