|
What makes the purr distinctive from other cat vocalizations is that it is produced during the entire respiratory cycle (inhaling and exhaling). Other vocalizations such as the “meow” are limited to the expiration of the breath.
|
www.loc.gov/rr/scitech/mysteries/catspurr.html
www.loc.gov/rr/scitech/mysteries/catspurr.html
|
|
|
|
It seems that the measurable Hertz of a cat's purr lies between 25 and 150. Coincidentally (or not) it has been found that sound frequency in this range can stimilate bone growth and healing. ¹ A newer theory is that purring releases endorphins - natural analgesics ... How do cats Purr - What Makes Cats Work Page 3...
|
cats.about.com/cs/catmanagement101/a/why_cats_purr.htm
cats.about.com/cs/catmanagement101/a/why_cats_purr.htm
|
|
|
A cat will often "wind-down" when going to sleep, with a long purring sigh that drops melodically from a high to a low pitch. Does your cat purr sound like an idling diesel engine? That's because it's roughly the same velocity--about 26 cycles per second.
|
cats.about.com/cs/catmanagement101/a/how_cat_work_3.htm
cats.about.com/cs/catmanagement101/a/how_cat_work_3.htm
|
|
What makes a cat purr? As our cat has gotten older she purrs much more, especially when we're sitting with her. Our vet said she's in great health and although she's 19 years old,... ... You're reading What makes a cat purr?
|
www.answerbag.com/q_view/721
|
|
What makes a cat purr? The mechanism is a second vocal chord. It is not a true vocal chord but tissue that mimics it. Felines will slowly push air past these tissue... ... What makes a cat purr?: by Santaanacanyon : Picture 1...
|
www.answerbag.com/q_view.php/721
|
|
Why makes a cat purr?; Cats (big and small) are the only animals who purr. Contrary to popular belief, purring isn't speaking. The purr comes from two membrane folds, called false vocal cords, that are situated in the larynx behind the actual vocal cords.
|
www.sniksnak.com/cathealth/whydo.html
www.sniksnak.com/cathealth/whydo.html
|
|
What Makes My Cat Purr?; TOMPERT, ANN, ILLUSTRATED BY ELFREDA. Offered by Connie Popek, Bookseller ... TOMPERT, ANN, ILLUSTRATED BY ELFREDA What Makes My Cat Purr?; Wisconsin: Whitman Publishing, 1965. 1965. Hard Cover. Hard Cover. Near Very Good/No Jacket. 5.5x6:3350092501. A yellow book with green/blue ltg. and colored dec.
|
www.antiqbook.com/boox/connie/54822.shtml
|
|
This collection has been my personal property for 35 years. I am not an authority on used books nor do I sell books as a vocation. This collection will not be replenished. ... ; Other Countries ... ; Please remember that only 1 quantity is available per book!
|
www.tgr7.com/bookscans/tellatales/2525d.html
|
|
And what's the physical mechanism for doing it? Are they praying? ... "Some people think the frequency of sound the purr makes helps release endorphins from the cat — the cat is trying to make itself feel better, trying to comfort itself."
|
www.esquire.com/features/answer-fella/why-do-cats-purr-...
www.esquire.com/features/answer-fella/why-do-cats-purr-0909
|
|
