A & P
The throat
Pharynx
Air filled spaces in the skull that are lined with mucosa and open to the nasal cavity. They lighten the skull and act as resonance chambers
Paranasal sinuses
Windpipe
Trachea
Process of intaking and expelling air from the lungs. AKA breathing
Respiratory cycle
Inflammation of the bronchial mucosa with resultant swelling and mucus hypersecretion
Bronchitis
Air conditioning chambers of the respiratory system
Nasal cavities
Mucous producing cells
Goblet cells
Bronchi
Ease of ability for the thorax and lungs to expand
Compliance
Most common infectious cause of death in the US
Pneumonia
What causes sound production
Air moving over vocal cords causing them to vibrate
Guardian of the airways
Epiglottis
Why are the cartilage rings around the trachea C shaped?
To allow the esophagus to expand anteriorly when food is swallowed
Ability of the thorax and lungs to return to pre-inhalation size
Elastic recoil
Permanent enlargement of the lower airways accompanied by destruction of alveolar walls affecting their elasticity
Emphysema
The sense of smell is called
Olfaction
Area of the larynx that contains the vocal cords
Glottis
Food or objects are more frequently lodged where
Right bronchi / lung
The __________nerve sends a signal to diaphragm signaling the average adult to take approx. ________breaths / min at rest.
Phrenic, 12-16
Bronchospasms that cause breathing difficulties in susceptible people
Asthma
4 functions of the respiratory system
1. Exchange gases (CO2, O2)
2. Olfaction (Smell)
3.Sound production
4. Maintain homeostasis
Name the 4 paranasal sinuses
Frontal, Sphenoid, Ethmoid, Maxillary
Substance that assists in gas exchange by reducing surface tension
Surfactant
Exchange of O2 & CO2 between the air in alveoli and blood in the capillaries is___________, and the exchange between blood in the capillaries and cell is _________.
External respiration, Internal respiration
Highly contagious acute inflammation of the upper respiratory tract
common cold