Why brain dead means dead

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A person who is brain dead may appear alive -- there may be a heartbeat, they may look like they're breathing, their skin may still be warm to the touch.http://feeds.feedburner.com/~ff/rss/cnn_us?d=yIl2AUoC8zA</img> (http://rss.cnn.com/~ff/rss/cnn_us?a=gmB3pCX7Z6U:_Gb0Uhpgvv8:yIl2AUoC8zA) http://feeds.feedburner.com/~ff/rss/cnn_us?d=7Q72WNTAKBA</img> (http://rss.cnn.com/~ff/rss/cnn_us?a=gmB3pCX7Z6U:_Gb0Uhpgvv8:7Q72WNTAKBA) http://feeds.feedburner.com/~ff/rss/cnn_us?i=gmB3pCX7Z6U:_Gb0Uhpgvv8:V_sGLiPBpWU</img> (http://rss.cnn.com/~ff/rss/cnn_us?a=gmB3pCX7Z6U:_Gb0Uhpgvv8:V_sGLiPBpWU) http://feeds.feedburner.com/~ff/rss/cnn_us?d=qj6IDK7rITs</img> (http://rss.cnn.com/~ff/rss/cnn_us?a=gmB3pCX7Z6U:_Gb0Uhpgvv8:qj6IDK7rITs) http://feeds.feedburner.com/~ff/rss/cnn_us?i=gmB3pCX7Z6U:_Gb0Uhpgvv8:gIN9vFwOqvQ</img> (http://rss.cnn.com/~ff/rss/cnn_us?a=gmB3pCX7Z6U:_Gb0Uhpgvv8:gIN9vFwOqvQ)
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