It's called a muzzle.
long like my nose
The word "nose" is pronounced with a long "o" sound.
Nose uses a long 'o'. It sounds the same as words like:bows (ribbon bows)chosecrowsgrowshosethrows
The horse of Santiago was gray because he had a dark colored nose. To be an official white horse...the horse has to have a pink nose.
Elephant.
it varies so much, there could never be one number. every single horse is different
It is a long O due to the silent E. It rhymes with pose and flows.
the nose is
I suspect that either horse racing or some other track event where a photo at the finish would be used to determine the winner.
Same as us - by breathing in air, which is delivered to the lungs to be exchanged with carbon dioxide, which the horses breathe out.
"Win by a nose" is a horse racing term -- and means that the lead horse was just a little bit ahead of the second place horse. Therefore the horse that has his nose to the line first wins.
From horse racing, where they judge the winner of the race by which horse's nose crosses the line first.