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Hello and welcome to 6 Minute English, the program where we bring you an interesting topic and six items of vocabulary.
I'm Dan, and today we're talking about...
Sying, I'm Katherine.
Now, was that a real sigh or just one to demonstrate the meaning?
That one was just for educational purposes, of course, Dan.
We'll be looking at why we sigh and learn how sighing keeps us alive.
Yes, very interesting.
And it's not just humans that sigh is it Dan?
Indeed, most mammals sigh.
And that brings me to today's question.
How many times does a mouse sigh in an hour on average?
Is it A twice?
B 10 times or C 40 times?
I'm going to say the poor little thing was sigh about 40 times an hour.
OK, let's find out if you're right later on in the program.
Now, what is a sigh exactly?
Let's hear from Dr.
Lynn Barker,