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Diaphragm
If the opening in the diaphragm is too wide part of the stomach goes up giving rise to a condition called as Hiatus hernia.
Known as a bronchial spasm or asthma.
That part is called as diaphragm. You need to see the same in dissection hall in cadaver.
It decreases, and air goes into the lung passages. You inhale.
HICCUPS
a hiccup.
Diaphragm
A spasm of the diaphragm
From an involuntary spasm of your diaphragm
Hiccups happen when the breathing center activates the diaphragm to inhale air, while the epiglottis at this point gets the wrong signal and closes the windpipe/trachea
Hiccups are caused when you have contractions of the diaphragm. The diaphragm is what makes your lungs take in oxygen and expel it.
Hiccough or Hiccup.Singultus is the medical term meaning involuntary contraction of the diaphragm. The lay term is hiccup.
The diaphragm goes downwards.
With the contraction of the diaphragm by spasm the inhaling of air is stopped suddenly the gap in the vocal cords reduce during the contraction of diaphragm which causes a hiccup and the process is repeated
What that could be is diaphragm pain. Most people don;t realize that their diaphragm is really a muscle and it can get sore or go into spasm, like other muscles.
A hiccup is the involuntary spasm of the diaphragm. I am 100% sure this is the correct answer. I am no doctor but I once saw it on mastermind :D