Livestream English Class for C2 and C1 - Open Cloze SATURDAY 31st of August 1 PM UK TIME
Livestream English Class for C2 and C1 - Open Cloze SATURDAY 31st of August 1 PM UK TIME
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Livestream English Class
NEXT STREAM IS TUESDAY 3rd SEPTEMBER AT 10 AM UK TIME
The complicated truth about a cat’s purr
https://www.bbc.com/future/article/20...
Our cats may purr when we ….. and ……. them, but it’s a much more complicated form of communication than we've assumed.
Our cats may purr when we pet and tickle them, but it’s a much more complicated form of communication than we've assumed.
We think we know what a cat’s purr means.
It is ……. the most ……. sign of animal contentment:
We think we know what a cat’s purr means.
It is arguably the most recognisable sign of animal contentment:
a pleasurable rasp that erupts whenever a cat is tickled or petted, the …… to countless sessions …….. on an owner’s lap.
a pleasurable rasp that erupts whenever a cat is tickled or petted, the soundtrack to countless sessions sprawled on an owner’s lap.
But that’s not quite the full …… . There is a lot more going on with the cat’s purr than you …… reasonably expect.
But that’s not quite the full story. There is a lot more going on with the cat’s purr than you might reasonably expect.
Even ……. ‘how’ was …….. a subject of debate.
Even the ‘how’ was long a subject of debate.
Some thought it was ……. to blood flowing to the inferior vena cava, a vein that ……… deoxygenated blood to the right side of the heart.
Some thought it was linked to blood flowing to the inferior vena cava, a vein that carried deoxygenated blood to the right side of the heart.
But with more research it seemed …….. that the noise came from the muscles within the cat’s larynx.
But with more research it seemed likelier that the noise came from the muscles within the cat’s larynx.
As they move, they …… and constrict the glottis – the part of the larynx that surrounds the vocal chords – and the air …… every time the cat breathes in or out. The result? A purr.
As they move, they dilate and constrict the glottis – the part of the larynx that surrounds the vocal chords – and the air vibrates every time the cat breathes in or out. The result? A purr.
Even though science is now …… sure this is the process, there’s no definitive answer as to what ……. the response.
Even though science is now fairly sure this is the process, there’s no definitive answer as to what triggers the response.
The biggest clue is a neural oscillator deep within the cat’s brain, one that …….. has no clear purpose.
The biggest clue is a neural oscillator deep within the cat’s brain, one that otherwise has no clear purpose.
But if that neural oscillator is triggered, is it ……. when a cat is happy?
Sometimes. But …….. sometimes.
But if that neural oscillator is triggered, is it just when a cat is happy?
Sometimes. But only sometimes.
Marjan Debevere is a cat shelter photographer in London who is currently studying for a degree in ……… psychology.
Marjan Debevere is a cat shelter photographer in London who is currently studying for a degree in feline psychology.
She is also the owner of four cats – Clive, Hula, Luigi and Archie – who are something of an Instagram ……… (33,000-……. followers and counting, Instagram fans).
She is also the owner of four cats – Clive, Hula, Luigi and Archie – who are something of an Instagram sensation (33,000-odd followers and counting, Instagram fans).
People …….. they’re happy when they’re purring. That’s just not always the …….. .
People assume they’re happy when they’re purring. That’s just not always the case.
Part of the mystery …….. the purr is that we often only ……. cats purring “when we tickle them in places that they like to be tickled”, says Debevere.
Part of the mystery around the purr is that we often only notice cats purring “when we tickle them in places that they like to be tickled”, says Debevere.
Part of the mystery …….. the purr is that we often only ……. cats purring “when we tickle them in places that they like to be tickled”, says Debevere.
Yet they also purr when we’re not around, and the extent of that purring varies between individuals. “All cats are different, some never purr and some will purr constantly,” she says.
She ……. the comparison between her cat Luigi – a ……. who followed someone in to their office and was subsequently taken to a shelter – and Archie, who “moved in from next door” and became part of the family. Luigi purrs little, and Archie a lot.
She draws the comparison between her cat Luigi – a stray who followed someone in to their office and was subsequently taken to a shelter – and Archie, who “moved in from next door” and became part of the family. Luigi purrs little, and Archie a lot.
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