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36
Anatomy of the
Respiratory System
Upper and Lower Respiratory System Structures
1. Complete the labeling of the diagram of the upper respiratory structures (sagittal section).
Frontal sinus
Cribriform plate of ethmoid bone
Superior nasal chonchea middle inferior
external nares
Hard palate epiglottis Tongue Lingual tonsil tongue
Hyoid bone
Thyroid cartilage of larynx
Cricoid cartilage
Thyroid gland
trachea
Sphenoidal sinus
Pharyngeal tonsil
Opening of auditory tube or eustachian tube or pharyngotympanic tube
Nasopharynx
Soft palate
laryngopharynx glottis epophagus 2. Two pairs of vocal folds are found in the larynx. Which pair are the true vocal cords (superior or inferior)?
Inferior vocal folds(true vocal fols)
3. Name the specific cartilages in the larynx that correspond to the following descriptions. thyroid cartilage
cricoid cartilage forms the Adam’s apple: shaped like a signet ring: epiglottis a “lid” for the larynx: vocal cord attac
arytenoids cartilage
243 4. What is the significance of the fact that the human trachea is reinforced with cartilaginous rings? to maintain passage way regardless to respiratory pressure change in tracheal wall.
Of the fact that the rings are incomplete posteriorly?
It provide space to oseseophagus to expland anteriorly so that large bolus can be swallowed.
plural membrane produce serous fluid which help in lubricating
5. What is the function of the pleural membranes?
and adhering both the membrane. It helps in keep lungs in thorasic cavity and can move easily during breathing movement.
Warming, moisturing and
6. Name two functions of the nasal cavity mucosa. filtering the passed air from nasal cavity. and 7. The following questions refer to the primary bronchi. left main