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First heart sound

First heart sound

Occurs with ventricular systole and is mainly produced by closure of the atrioventricular valves.


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Re: Natural selection wrong due to transmission of harmful genes

... gene groups that cause such mutations. First link i saw: http://www.lbl.gov/Education/ELSI/Frame ... now? That's news to me. FZ, I am not trying to sound heartless here--I made a statement in scientific context. ...

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by AFJ
Sun Jun 14, 2009 12:51 pm
 
Forum: Evolution
Topic: Natural selection wrong due to transmission of harmful genes
Replies: 34
Views: 1372

Fitness and Diet

... bike, since those are easy enough on my knee and good for getting the heart rate up. For diet, I've been focusing on lots of fruits, vegetables, ... sodas, making me something of an oddity in today's culture. Does this sound like a good fitness plan? Anyone have any experiences with dieting/exercise ...

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by alextemplet
Mon Apr 27, 2009 4:08 am
 
Forum: Human Biology
Topic: Fitness and Diet
Replies: 14
Views: 2214

can someone please explain

... what i would hear . So far i'm up . to Listen for the rythem of the heart beat. A normal heartbeat makes a lub-dup sound. This sound is created when the heart tissue vibrates , it is pushed against the heart ...

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by monkeyfromsainsburys
Fri Jul 18, 2008 8:56 pm
 
Forum: Human Biology
Topic: can someone please explain
Replies: 1
Views: 773

Heart rate and emitted sound frequency of carp's hearbeat

... title? I'm thinking of building a detection device for them using their heartbeat as the signal I'm trying to detect. So does anyone know what their general pulse rate is, and what frequency band the sound emitted by their heart beat is? Couldn't think of anywhere else that would ...

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by adder_noir
Fri Apr 13, 2007 7:50 pm
 
Forum: Zoology Discussion
Topic: Heart rate and emitted sound frequency of carp's hearbeat
Replies: 6
Views: 1220

The Fiber Disease

... [277.1-8] __ Anxiety [277.1-9] __ Aphonia (inability to produce sound) [277.1-10] __ Appetite, loss of [277.1-11] __ Back Pain [277.1-12] ... or ulcers [277.1-74] __ Sweating, profuse [277.1-75] __ Tachycardia (heart rate of over 100 beats per minute) [277.1-76] __ Tendon reflexes, absent ...

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by London
Thu Jan 18, 2007 2:39 pm
 
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 748640
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