Both of these involuntary responses have baffled the average person for decades. Read on to find out.
Hiccups are a result of spasms of the diaphragm.
The diaphragm is the dome-shaped respiratory muscle seperating the chest from the abdomen. It aids in breathing by moving up and down, sending air in and out of the lungs. Find a picture to get a better idea of how this works. Common causes of hiccups include eating too fast, indigestion and laughing a lot, thereby inhaling and exhaling air irratically. Hiccups don't cause any medical concern, however.