When you sneeze air and particles travel through the nostrils at speeds over 100 mph

When you sneeze, air and particles travel through the nostrils at speeds over 100 mph.

Sneezing is a natural reflex that occurs when irritants stimulate the nasal lining. It is an involuntary expulsion of air, mucus, and particles from the respiratory system through the nose and mouth. This forceful expulsion is capable of propelling air and particles at astonishing speeds, reaching over 100 mph.

When a sneeze is about to occur, the muscles in the chest and abdomen tighten. Then, the diaphragm contracts, creating a sudden increase in pressure within the lungs. This increased pressure forces the air out of the lungs and into the nasal passages, causing the particles to be expelled rapidly.

The speed at which air and particles travel during a sneeze is remarkable. To put it into perspective, a sneeze can release up to 40,000 droplets into the air, and each droplet can travel up to 200 feet. These droplets can contain viruses, bacteria, dust, allergens, and other pathogens that might be present in the respiratory system, making sneezing an effective way of spreading illnesses if proper hygiene is not followed.

One might wonder how such a forceful expulsion can happen without causing harm to the body. The design of our respiratory system is quite remarkable. The structure of the nostrils and the nasal cavity plays a crucial role in directing the airflow during a sneeze. The narrow channels and the surrounding tissues help to increase the velocity of the expelled air, contributing to the high-speed release.

Although sneezing serves as a protective mechanism for our body, it is important to remember the proper etiquette when it comes to sneezing. Covering the mouth and nose with a tissue or elbow can help prevent the spread of harmful particles and pathogens to others. Furthermore, regular handwashing and maintaining good respiratory hygiene can significantly reduce the risk of transmitting diseases through sneezing.

In conclusion, sneezing is a fascinating involuntary reflex that expels air and particles from the respiratory system through the nostrils and mouth. The incredible speed at which this expulsion occurs, surpassing 100 mph, can help propel droplets containing various contaminants into the air. Therefore, practicing good respiratory hygiene and following proper sneezing etiquette are crucial to protect oneself and others from potential health risks.

Source: American Lung Association