Respiratory system

23 terms by diit 

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LAB EX 33

Respiratory bronchioles

Tubular airways that begin the respiratory zone

Larynx

Connects the laryngopharynx with the trachea

Trachea

Tube-like structure that conducts air from the larynx to the bronchi

Epiglottis

Closes over the glottis during swallowing

Tracheal cartilages

Keep the trachea from collapsing

Tertiary bronchioles

Division of the bronchi that enter bronchopulmonary segments

Terminal bronchioles

Last division of the conducting zone

Oropharynx

Conducts air from the nasopharynx to the larynogopharnx

Alveoli

Small, round sacs where gas exchange occurs

Bronchiole

Small conduction airway that serves a lobule

Sternocleidomastoids

Elevates the sternum

Internal intercostals

Depresses ribs

Abdominal muscles

Compresses abdominal contents and increases abdominal pressure

Scalenes

Elevates first and second ribs

External intercostals

Elevates ribs

Diaphragm

Main inspiratory muscle

Diaphragm

Flattern when contrated

Pectoralis minors

Elevate 3rd, 4th, and 5th ribs

Tidal Volume

The amount of the air inhaled and exhale during one normal breath

Inspiratory reserve volume

Maximum amount of air that can be inhaled after a normal inhalation

Expiratory reserve volume

Maximum amount of air that can be exhaled after a normal exhalation

Residual volume

Amount of air that remains in the lungs after a maximum exhalatio

Vital capacity

Maximum volume of air expelled after a maximal inhalation

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