Dictionary » S » Shivering



involuntary trembling or quivering of the body caused by contraction or twitching of the muscles, a physiologic method of heat production in man and other mammals.

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Homeostasis in Humans

... of the body (e.g. mucous membranes). Based on these signals it promotes either heat retention or heat loss (by means of vasodilation, sweating, shivering etc. according to what is needed).

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by biohazard
Mon Jan 09, 2012 6:55 am
Forum: Human Biology
Topic: Homeostasis in Humans
Replies: 1
Views: 2432

The Heart

... to combat change. So you're quite correct in thinking that heart rate will increase in the cold as the body tries to warm itself (especially when shivering) but it's also worth noting that it also withdraws blood supply from extremities to conserve heat. There are two ways to look at cold: firstly ...

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by Babybel56
Sun Apr 24, 2011 8:31 am
Forum: Human Biology
Topic: The Heart
Replies: 6
Views: 8723

SAC thermoregulation

... SAC (question sheet)? We are usually allowed one sheet of A4 paper as a cheat sheet so it would not have questions as simple as, "...how does shivering generate heat? Explain". Anyway...feel free to ask me any questions on the topic as I need all the help I need!

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by Joker
Mon Apr 27, 2009 3:36 pm
Forum: Cell Biology
Topic: SAC thermoregulation
Replies: 0
Views: 2361

Solve medical mystery ~ yawn, stretch, tremors

... from the muscles tightening so much, almost cramping. My heart will jump a bit, and race a bit out of nowhere. I get the sensation that I'm cold/shivering...like I am freezing, YET, I am not cold. My body is not physically cold. It seems my body associates shivering with being cold but I'm not ...

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by pookieboo
Fri Jan 23, 2009 11:58 pm
Forum: Human Biology
Topic: Solve medical mystery ~ yawn, stretch, tremors
Replies: 3
Views: 10127

Re: Enzymes and ATP

... reactive. Thus it carries energy. Energy release from ATP can be released into the environment via entropy. (This is how we warm up our muscles by shivering.) But is normally harnessed by ATP couping. Where ATP hydrolysis, an exergonic process, is coupled with an exergonic reaction. I would go ...

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by keenangp
Tue Dec 16, 2008 1:59 am
Forum: Molecular Biology
Topic: Enzymes and ATP
Replies: 3
Views: 3566
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