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Glass-Prison View Drop Down
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Points: 453 		Direct Link To This Post Posted: February 11 2005 at 17:33
To please the four humeurs!
Sun Tsu said: To fight and conquer in your battles is not supreme excellence; supreme excellence consists of breaking the enemy's resistance without fighting.

Sun Tsu: The art of War
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Points: 2632 		Direct Link To This Post Posted: February 11 2005 at 18:52

Actually, you are not entirely correct about what makes the heart beat.  Although it is true that certain chemicals make cause contractions and expansions, what makes the heart beat is an "electrical" impulse that "sets off" the chemicals that permit contraction and expansion of the muscles.  This is why getting certain types of electric shocks can stop your heart, and why a defibrillator works (by literally "jump-starting" the "battery").  As an aside, it is also why certain types of martial arts blows can kill; those blows are targeted at the heart, and the result of the blow is to stop the electrical impulse that keeps the heart going.

Peace.
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Points: 3013 		Direct Link To This Post Posted: February 12 2005 at 00:05
My brain hurts.
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Points: 2632 		Direct Link To This Post Posted: February 12 2005 at 00:30
My teeth itch...
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Points: 1298 		Direct Link To This Post Posted: February 12 2005 at 00:35
Originally posted by DallasBryan DallasBryan wrote:

very good!!!

and now the breath of life? why do we breathe?


Breathe, breathe in the air.
Don't be afraid to care.
Leave but don't leave me.
Look around and choose your own ground.
I bleed coffee. When I don't drink coffee, my veins run dry, and I shrivel up and die.
"Banco Del Mutuo Soccorso? Is that like the bank of Italian soccer death or something?" -my girlfriend
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Metropolis View Drop Down
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Points: 760 		Direct Link To This Post Posted: February 12 2005 at 06:46
Originally posted by maani maani wrote:

Actually, you are not entirely correct about what makes the heart beat.  Although it is true that certain chemicals make cause contractions and expansions, what makes the heart beat is an "electrical" impulse that "sets off" the chemicals that permit contraction and expansion of the muscles.  This is why getting certain types of electric shocks can stop your heart, and why a defibrillator works (by literally "jump-starting" the "battery").  As an aside, it is also why certain types of martial arts blows can kill; those blows are targeted at the heart, and the result of the blow is to stop the electrical impulse that keeps the heart going.

Peace.



Um, actually defibrillators STOP your heart, in order to allow the natural pace maker to take over again.  It's really electrochemical, not completely electrical, the potential differences being created by varying chemical concentrations, 'tis a complex process


Edited by Metropolis
We Lost the Skyline............


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Points: 819 		Direct Link To This Post Posted: February 12 2005 at 08:33
Originally posted by Metropolis Metropolis wrote:

Um, actually defibrillators STOP your heart, in order to allow the natural pace maker to take over again.  It's really electrochemical, not completely electrical, the potential differences being created by varying chemical concentrations, 'tis a complex process
I presume that future generation will come with a reset button...
Please forgive me for my crappy english!
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Points: 760 		Direct Link To This Post Posted: February 12 2005 at 09:05
That would make my future career a bit easier
We Lost the Skyline............


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