Where Hiccups com from.
roll tape:

Hiccups are involuntary contractions of the diaphragm — the muscle that separates your chest from your abdomen and plays an important role in breathing. Each contraction is followed by a sudden closure of your vocal cords, which produces the characteristic “hic” sound. -wfwf
https://www.mayoclinic.org/diseases-conditions/hiccups/symptoms-causes/syc-20352613