Respiratory System

Upper Respiratory Tract

Nasal Cavity

Nasal Septum

Nares

Hard Palate

Soft Palate

Paranasal Sinuses

Conchae

Pharynx

Tonsils

Pharyngeal tonsil

Palatine tonsils

Lingual tonsils

Nasopharynx

Oropharynx

Laryngopharynx

Epiglottis

Larynx

Vocal folds (cords)

Vestibular folds

Hyoid bone

Thyroid cartilage

Thyroid gland

Cricoid cartilage

Trachea

Mucous Membranes

Medulla

Ventral Respiratory Group (VRG)

Respiratory Rate and Depth

Carbon Dioxide

Dorsal Respiratory Group (DRG)

Pons

Lower Respiratory Tract

Bronchi

Bronchioles

Respiratory Zone

Lungs

Tidal Volume

Expiratory Reserve Volume

Residual Volume

Vital Capacity

Total Lung Capacity

Inspiratory Reserve Volume

Diaphragm

External Intercostals

Right Lung

Left Lung

Cardiac Notch

Pleura

Capillaries

Respiratory Membrance

Alveolus

Internal Respiration

Ventilation

External Respiration

Alveolar Macrophages

Surfactant