Respiratory System Basics

1- Nasopharynx (superior portion), 2- Oropharynx (continuous with the oral cavity), 3- Laryngopharynx (between the hyoid bone and the esophagus)

Superior to the point where food enters, only an air passageway, closed off during swallowing

It is a passageway shaped like a funnel that connects the nasal cavity and mouth, shared by the digestive and respiratory systems.

<p>Continuous with the oral cavity.</p> Signup and view all the answers

<p>Between the hyoid bone and the esophagus.</p> Signup and view all the answers

<p>It is closed off.</p> Signup and view all the answers

<p>Because it is superior to the point where food enters and is closed off during swallowing.</p> Signup and view all the answers

<p>Laryngopharynx.</p> Signup and view all the answers

<p>Nasal cavity and mouth.</p> Signup and view all the answers

<p>Three.</p> Signup and view all the answers