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The openings through which air can enter and leave the nasal cavity are called the external nares or ______. nostrils or nostril. The segment of the respiratory tract that functions as a passageway for both food and air is the ______. It is also involved in producing sounds of speech. pharynx.
Respiratory system. draws air and oxygen into the lungs, where the oxygen is transferred to the bloodstream to provide oxygen to cells and also expels carbon dioxide when exhaled. Pharynx. the part of the throat from the back of the nasal cavity to the larynx. Upper respiratory system.
The inner edges of the vocal cords are free, allowing oscillation as air passes through to produce sound for speaking. See Figure 4.5 for an illustration of vocal cords. The word root phon refers to sound or voice, so the medical term dysphonia (dis-FŌ-nē-ă) refers to the medical condition of difficulty speaking (i.e., voice).
the process of breathing in so that air passes through the nose (or sometimes the mouth) though the trachea, pharynx and bronchioles into the alveoli is called
24 lip 2023 · Air containing mucosal lined sinuses surround the nasal cavity, which includes the frontal, paired maxillary, sphenoid, and ethmoid sinuses. These cavities directly communicate with the nasal cavity. The secretions from these sinuses drain into the nasal cavity via the thin-walled ostia.
3 lis 2023 · The internal part of the nose is the nasal cavity. The two nasal cavities sit within the external nose and the adjacent skull. The cavities open anteriorly to the face through the two nares. Posteriorly the cavities communicate with the nasopharynx by two apertures called choanae.
The major entrance and exit for the respiratory system is through the nose. When discussing the nose, it is helpful to divide it into two major sections: external nose. internal nose. The nares open into the nasal cavity, which is separated into left and right sections by the nasal septum (Figure 4.2).
