Answer:
What instrument can make any sound and be heart, but not touched or seen?
Thousands lay up gold within this house. But no man made it. Spears past counting guard this house, but no man wards it.
Though blind as well, can lead the blind well.
A reaction to being spooked that takes its name from waterfowl
I am a fire's best friend. When fat, my body fills with wind. When pushed to thin, through my nose I blow. Then you can watch the embers glow.
People take me on walks and I run and have fun. What am I?