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VOCAB Respiratory

Terms in this set (37)

Microscopic air sac in a lung
alveolus
Primary branch of the trachea
bronchus
type of cancer
carcinoma
ridge of cartilage between the right and left bronchi
Carina
Ring shaped mass of cartilage at the base of the larynx
Cricoid cartilage
Flaplike structure that partially covers the opening into the larynx during swallowing
Epiglottis
Pigment in RBC
Hemoglobin
To expel air from lungs
Exhalation
To take air into lungs
Inhalation
Nerve associated with the cervical plexuses that stimulates the muscle fibers of the diaphragm to contact
Phrenic Nerve
Infectious disease in which fibrous masses form from the lungs
Tuberculosis
Exchange of gases between the air and the respiratory system; ventilation
External respiration
Exchange of gases between the alveoli and blood and subsequent transport to the tissues.
Internal respiration
A biochemical pathway that releases energy from organic com
Cellular respiration
A hollow space behind the nose that is divided medially into right and left portions by the nasal septum
Nasal Cavity
Wall of bone and cartilage that separates the nasal cavity into two parts.
Nasal Septum
Curl out from the lateral walls of the nasal cavity on each side forming passageways called The Superior middle and inferior meatus
Nasal Conchae
The space posterior to the nasal cavity, the oral cavity, and the larynx.
Pharynx
Part of the pharynx posterior to the nasal cavity.
Nasopharynx
Part of the pharynx posterior to the oral cavity.
Oropharynx
Lower part of the pharynx, posterior to the larynx, that leads to the esophagus.
Laryngopharynx
Structure between the pharynx and trachea that houses the vocal cords.
Larynx
A ringlike cartilage that forms the lower end of the larynx.
Cricoid cartilage
Tubular organ that leads from the larynx to the bronchi.
Trachea
Volume of air moved into or out of the lungs during quiet breathing or during respiratory cycle.
Tidal Volume
Maximum additional volume of air that can be inhaled at the end of a resting expiration.
Inspiratory reserve volume
Maximum additional volume of air that can be exhaled at the end of a resting expiration.
Expiratory reserve volume
Volume of air that remains in the lungs even after a maximal expiratory effort.
Residual volume
Maximum volume of air that can be exhaled after taking the deepest breath possible
Vital capacity
Maximum volume of air that can be inhaled following exhalation of resting tidal volume
Inspiratory capacity
Volume of air that remains in the lungs following exhalation of resting tidal volume.
Functional residual capacity
Total volume of air that the lungs can hold
Total lung capacity
Substance produced by the lungs that reduces the surface tension in alveoli.
Surfactant
Two thicknesses of epithelial cells and basement membranes.
Respiratory membrane
An inflammation of your voice box
Laryngitis
Receptors in the carotid arteries and the aorta that monitor blood pH to help regulate ventilation rate.
peripheral chemoreceptors
Receptors in the central nervous system that monitor the pH of cerebrospinal fluid to help regulate ventilation rate.
central chemoreceptors
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