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humpaba

Level 136 Comments: Respected Member Of Famiry

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Date Signed Up:	11/09/2010
Last Login:	10/19/2015
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Content Thumbs:	47 total, 82 , 35
Comment Thumbs:	443 total, 468 , 25
Content Level Progress:	86.44% (51/59) Level 0 Content: Untouched account → Level 1 Content: New Here
Comment Level Progress:	80% (8/10) Level 136 Comments: Respected Member Of Famiry → Level 137 Comments: Respected Member Of Famiry
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Content Views:	6767
Times Content Favorited:	4 times
Total Comments Made:	112
FJ Points:	423

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Pictures

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Uploaded: 02/14/12

My date for Valentine's

YouTube

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Meanwhile, at Japan's space...
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lady killer
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clever girl

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latest user's comments

#18395 - Gifs on FJ refuse to play for me for the past several months. … [+] (1 reply) 08/03/2015 on Ask a Mod 0

#18396 - posttwo (08/03/2015) [-]

Use chrome
Safari hates new pretty video formats

#193052 - Comment deleted 08/03/2015 on Advice 0

#11 - Actually, this is medical technology for heart transplant pati… [+] (7 replies) 07/17/2015 on heart beating outside of body +50

#15 - boykokar (07/17/2015) [-]

As far as I know, the beating itself is actually done automatically without the need of any special equipment because of nervous cells in right atrium. Kind of like a lizard's tail when it's cut off from the body.

#19 - nimba (07/17/2015) [-]

not nervous - autorhythmic myocardial cells

#79 - neokun (07/17/2015) [-]

Cool. Is there an explanation as do why it does that?

#81 - nimba (07/17/2015) [-]

some cells on the heart depolarise naturally, the point is so that heart beat is not reliant on Central Nervous System pumping every single time. Nerves to the heart modify the rate of the heart's depolarisation instead of cause it. It also means if you have nerve damage to the primary pacemaker site - Sinoatrial node - your heart doesn't stop. What I think is pretty cool is that even after a heart attack that damages you sinoatrial node other parts of the heart become pacemaker sites - usually the atrioventricular node. This means that the heart is 1) protected from failure of the CNS, 2) has multiple failsafes within itself 3) is a pretty cool guy who doesn't afraid of anything.
The way it depolarises itself is some really cool ion channel fuckery that is unique to the heart, if that was what you were asking.

#82 - neokun (07/17/2015) [-]

The fact that the human heart has a fail safe just sounds amazing. Does this only apply to humans?

#83 - nimba (07/17/2015) [-]

Nah all mammals are pretty much the same and anything else with a recognisable heart will probs be similar, so lizards and fish yes spiders and ants probs not. It makes sense to me, if animals didn't evolve it they would just get heart attacks and die immediately which is not good survival haha

#20 - boykokar (07/17/2015) [-]

good to know, thanx for the info

#39 - **humpaba used "*roll picture*"** **humpaba rolled image *… 06/29/2015 on Growing Up 0

#14 - All because she was so terrified of wrinkles and aging that sh… 02/20/2015 on (untitled) +1

#29 - essentially that is indeed the case 02/10/2015 on MFW I saw my name was... +1