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Rhythms

rhythm

(Science: cardiology) The regularity of the heartbeat. Can be assessed by taking the pulse.


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Re: controling Nerve of the Brain? Which One

It is important to note the sinoatrial (SA) node when mentioning heart rhythms as well. This provides sympathetic innervation of the myocardial muscle, the electrical signals are propogated the same way a defibulator works: a signal originates in the muscle ...

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by daveinhampton
Tue Feb 10, 2009 5:03 pm
 
Forum: General Discussion
Topic: controling Nerve of the Brain? Which One
Replies: 8
Views: 16312

Benifits of Blue & Red: Action/Absorption Spectrum, etc

... rate due to photons higher energy) *The blue light receptors do a variety of the following: mediate blue light-induced phototropism (circadian rhythms), chloroplast re-localization, opening of the stomatal aperture and stimulates proton pumps that drive protons out of the cells which starts ...

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by bta
Fri Jun 08, 2007 7:34 am
 
Forum: Botany Discussion
Topic: Benifits of Blue & Red: Action/Absorption Spectrum, etc
Replies: 4
Views: 10057

biological clock

These circadian rhythms are determined by the amount of light hitting the pineal gland. For every animal, different behaviors(especially seasonal behaviors) will come as result

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by Skeletor Rinpoche
Tue Jan 23, 2007 10:09 pm
 
Forum: Zoology Discussion
Topic: biological clock
Replies: 13
Views: 5405

Human sleep rhythm

I have recently read that the free-running period (FRP) for the 'daily' rhythms is close to 25.5 hours and that it is entrained by a circadian exogenous cue (day/night light/dark). I am curious about the origin of the FRP and what the significance of a periodicity ...

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by drnsmith
Sun Sep 10, 2006 5:06 am
 
Forum: Human Biology
Topic: Human sleep rhythm
Replies: 1
Views: 1237

Vegas Nerve

... as mine was severed in surgery while tumors were removed. I have seen some messages on the net about the vegas nerve may play some part in heart rhythms, as well some emotions and other body functionality. For the moment I am only medicating to take care of the stomach acid function, and as I ...

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by livingthedream
Tue Jun 21, 2005 5:13 pm
 
Forum: Human Biology
Topic: Vagus Nerve
Replies: 19
Views: 165584


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