What is the pharynx
Throat
Function of the alveoli
Where does voice production begin
Larynx
Where does external respiration take place
Alveoli
The interruption of breathing
What separates the nares
Nasal septum
Function of surfactant
Reduces alveolar surface tension
What are three main passageways
Ventral, dorsal, and middle nasal meatus
How many lobes does the left lung have
3
True or false: hypoxia is the lack of oxygen in the blood
False: hypoxia is the lack of oxygen in the body’s tissues
bronchioles
Function of epiglottis
Acts as a lid and covers the larynx when swallowing
Where does the oropharynx travel
From the mouth to esophagus
true or false: the trachea and lymph nodes are found in the mediastinum
True
What artery does deoxygenated blood enter the LUNGS through
The pulmonary artery
What are the 2 paranasal sinuses
Frontal and maxillary
Functions of turbinates
Condition inhaled air by warming, humidifying, and filtering
what are 4 types of cartilage in the larynx
Epiglottis, cricoid, artenoid, thyroid
if the lungs of a neonate sink in water what does that indicate?
They were stillborn/ never took a breath
Function of hyaline cartilage rings
Prevents trachea from collapsing when inhaling
What supports the larynx
Hyoid bone
List the 4 secondary functions of the respiratory system
Voice production, smell, acid base regulation, body temperature regulation
4 Functions of the upper respiratory system
How do lungs and thorax work together to produce respiration
What type of animals can false vocal cords be found in
Non ruminant animals