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Respiratory system x
Aisha Ibrahim Bl.3
Question | Answer |
---|---|
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 |