I can feel her vibrating and I'm worried that she swallowed a phone and it's stuck on vibrate

Seriously.  I can hear their meowing across the entire house!  Also, they always attack my string and other stuff.  Why can't Americans not meow as loud as they can?

I'M SO SORRY ABOUT THIS PLEASE HELP ME  ALSO MY PERIOD BUTTON STOPPED WORKING I'M NOT SURE IF THIS IS RELATED

help please