Because all of the saliva that the player is producing has to go somewhere and the spit key releases the spit
You can, but it doesn't work as well or as long as valve oil.
on the main tunning slide and third valve slide there should be a spit valve, its used to empty your spit from the instrument. some trumpets have more then the two common spit valves.
Trumpets can come in almost any key. C trumpets are often used in orchestras, while Bb trumpets are often found in bands.
I believe that F trumpets were used most widely in the late Classical/early Romantic periods (1800~1900).
Most trumpets are in the key of B-flat.
A spit valve.
Trumpets are in B flat because it is a key that allows the instrument to play in a comfortable range and produce a bright, clear sound that is commonly used in classical and jazz music.
no,
If you spit up blood you need medical treatment as soon as possible.
Yes! I have seen them sneeze spit from their mouth but usually they will spit water from their nose it they get some in there.
Trumpets can be tuned to several different keys. The most common type is the B♭ trumpet, but low F, C, D, E♭, E, G and A trumpets are also available.
Pocket trumpets, like normal trumpets, are most often keyed in Bb, but this doesn't mean that all pocket trumpets are in Bb.