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Why we faint?

I am going to post something really simple today and it’s about something I read about…dunno where but copied and pasted into a Microsoft Word document for future reference. Fainting. Do you know why people faint? Why the body reacts in such a way? What does fainting prevent? No leh…..me either. That’s why I found it so interesting lor. I have seen one friend in school faint before, other than that, thank goodness nobody has ever fainted in front of me. I wouldn’t know what to do but maybe give the fella (hopefully a handsome looking bloke) the kiss of life. Actually, fainting is an invaluable response from our body which is designed to protect us. Like when you touch something hot, you instantly (without thinking) pull away, rite? Well, fainting is something like that. Before you faint, there is a significant drop in your blood pressure, so, your brain suddenly got no ‘food’ because it’s right at the top. Does not apply if you like to walk on your hands. Your brain consistently needs ‘food’ therefore, when there is a drop, the body tells the brain ‘EMERGENCY! MAY DAY MAY DAY MAY DAY!’, so the brain kicks in a sophisticated automatic response by bringing the brain DOWN to the floor so that it can receive ‘food’ again. The main control center of your brain shuts down other parts of the brain (conscious parts) so that the heart doesn’t have to pump so hard to bring the oxygen to the brain. Interesting leh?
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Comments

Anonymous said…
Yes..Doctor Maung! :-)

Killer guy
September 26, 2007 at 12:58 PM
Jamie said…
cuz, the only time I feel faint is when I see kaukau pretty and sexy girls. Like what you said....my blood emptied itself from my brain and rushed to a lower part of my body causing it to swell tremendously....kekekekekkee
September 26, 2007 at 6:35 PM
Anonymous said…
How to keep your brains fed all the time so you don't faint?

My daughter faints when she stands too long and feels hot. She also faints after an injection.

My sister has the same fainting spells for no apparent reason and once she fainted while walking and fell into the longkang! She was only 8 then.
September 27, 2007 at 5:48 AM
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