Respiratory System Flashcards
What are the 5 parts of the Upper Respiratory System?
-Nose
-Nasal Passageways
-Pharynx
-Larynx
-Trachea
What are 4 parts of the Lower Respiratory System?
-Bronchi
-Bronchioles
-Alveolar Ducts
-Alveoli
Where do air molecules enter fist?
-the nose
What’s another word for Nostrils?
-Nares
What are Nostrils?
-the external openings of the respiratory tube
Where do Nostrils lead to?
- Nasal Passageways
Where are the Nasal Passageways located at?
-Located between the nostrils and the pharynx
Are the Nasal passageways separated, if so by what?
-Separated into left and right halves by the nasal septum
What separates the nasal cavity from the oral cavity?
- Hard and Soft palates
What are Turbinates?
-Thin scroll like bones covered with nasal epithelium
that divide each nasal passage into 3 main passageways.
What are the three main conditioning roles of Nasal Passageways?
-Warming
-Humidifying
-Filtering
What are Paranasal Sinuses?
-Outpouchings of the nasal passages that are contained within spaces in certain skull bones
How are sinuses named?
-Each sinus is named after the bone that houses it
What are two examples of sinus?
- Frontal Sinus
-Maxillary Sinus
What’s a ciliated lining?
-mucus produced in the sinuses down into the nasal passages
What does the cilia prevent?
- prevents fluid and debris from accumulating in the sinuses and obstructing the openings into the nasal passages
What is the Pharynx?
-“Throat” common passageway for both respiratory and digestive systems
What does the soft palate in the Pharynx have in it?
-Dorsal Nasopharynx
-Ventral Oropharynx
Which way is the Esophagus?
- Dorsally
Which way is the Trachea?
- Ventrally
How does the Respiratory Passageway go?
-starts dorsally but as it comes caudally it becomes ventral to the digestive system
What is the Larynx?
- “Voice box” connects pharynx to the trachea
What is the larynx made up of?
- made up of segments of cartilage
What direction does the cartilages go?
- rostral to caudal
