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Respiratory system x

Aisha Ibrahim Bl.3

During breathing, how does air enter the nose? by passing through the external nares or nostrils
What does the interior of the nose consist of? the nasal cavity divided by the nasal septum
what is the pharynx commonly called? the throat
What serves as a common passageway for food and air? the pharynx
What is another name for the pharyngeal tonsil? Adenoid
What occupies the entire thoracic cavity except for the most central area? the lungs
What are the walls of the thoracic cavity lined by? parietal pleura
define: internal respiration the use of oxygen by body cells
what is the only externally visible part of the respiratory system? the nose
What are the functions of the sinuses (3 answers)? 1. lighten the skull 2. act as resonance for speech 3. produce mucus that drains into the nasal cavity
define: expiration air leaving the lungs
What vibrates with expelled air to create sound (speech)? vocal cords or vocal folds
Created by: SummitAP