Stick out your tongue and breathe in over your tongue for a "cooling breath!"
Some folks can "tootsie roll" their tongues and then inhale. It just depends on who is your momma/daddy, your genetics, not every tongue can do it. Cooling Breath may settle your body and calm anxiety.
Mrs. Broam teaches cooling breath: https://youtu.be/aMxU5kwyAXI (1:43)