the article explains how the oral cavity and nasal passageway both serve as entry points for two vital systems—the digestive and respiratory systems—but share a common passage, the pharynx. It is truly fascinating on how these systems have a huge impact on our bodies, so by understanding the oral cavity and nasal cavity Understanding this shared pathway is crucial for appreciating the delicate balance and coordination required for both breathing and eating.

https://www.sciencedirect.com/topics/agricultural-and-biological-sciences/respiratory-system#:~:text=The%20respiratory%20system%20consists%20of,upper%20and%20lower%20respiratory%20tracts.