EVERYDAY SCIENCE

Detailed explanation-1: -"Sneezing is an important part of the immune process, helping to keep us healthy and sniffle-free” Kao says. Sneezes protect your body by clearing the nose of bacteria and viruses, Kao explains.

Detailed explanation-2: -The sneeze centre sends signals to the parts of your body that need to work together to help you sneeze. Your chest muscles, diaphragm, abdominals, vocal cords and the muscles in the back of your throat all work together to help you expel the irritant.

Detailed explanation-3: -Sneezing can be an early symptom of a cold or allergy. Sneezing spreads viruses like a cold or flu by creating aerosol droplets containing the viruses that caused the infection, which may then be inhaled by healthy individuals. Sneezing happens when the mucous membranes in your nose or throat are irritated.

Detailed explanation-4: -Sneezing-or as it’s known in the medical community, sternutation-occurs when the respiratory epithelium that lines the nose is irritated. Irritation of this mucus membrane stimulates the endings of the trigeminal (or fifth) cranial nerve, sending a message to the brain to activate the sneeze reflex.