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Dictionary » F » Flaps

Flaps

Flap

Anything broad and limber that hangs loose, or that is attached by one side or end and is easily moved; as, the flap of a garment. A cartilaginous flap upon the opening of the larynx. (Sir t. Browne)

2. A hinged leaf, as of a table or shutter.

3. The motion of anything broad and loose, or a stroke or sound made with it; as, the flap of a sail or of a wing.

4. (Science: veterinary) a disease in the lips of horses. Flap tile, a tile with a bent up portion, to turn a corner or catch a drip.

(Science: mechanics) flap valve, a valve which opens and shuts upon one hinged side; a clack valve.

Origin: oe. Flappe, flap, blow, bly-flap; cf. D. Flap, and E. Flap.


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Bible vs Darwin

... could. I'm not sure they would be less fit in highly oxygenated waters. That has to do with how a lungfish's circulatory system works. Internal flaps in the heart help to direct blood flowing out of the heart first to the lungs where it is oxygenated. Blood flowing out of the lungs then returns ...

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by alextemplet
Fri Feb 27, 2009 8:57 pm
 
Forum: Evolution
Topic: Bible vs Darwin
Replies: 293
Views: 30211

Dinosaur Confusion

... known as an alula, or bastard wing, that would have helped it stay aloft at slow speeds. Airplanes use a similar device, called leading-edge flaps, to keep from crashing when they land. Eoalulavis is the most primitive bird found with an alula, which would have allowed it to fly between tree ...

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by David George
Sun Mar 12, 2006 6:21 am
 
Forum: Evolution
Topic: Dinosaur Confusion
Replies: 32
Views: 8383

Arteries and Veins

... is artherial pressure(blood pressure) @Dr.Stein Veins do have valves. I think the answer you are looking for it 2, but i am not sure what flaps are

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by MrMistery
Wed Aug 17, 2005 7:00 pm
 
Forum: Human Biology
Topic: Arteries and Veins
Replies: 11
Views: 1905

Arteries and Veins

... peristalsis) to push the blood foward or is it totally dependent on the pump of the heart? Also there are semilunar valves in veins. So how many flaps are there in one valve?

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by Navin
Wed Aug 17, 2005 12:47 pm
 
Forum: Human Biology
Topic: Arteries and Veins
Replies: 11
Views: 1905


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