Anatomy Unit 3

The Respiratory System functions to ____

provide ventilation and the exchange of the gases

Oxygen is the gas that is

inhaled and used by the body to ultimately make ATP

Carbon Dioxide is a ___

waste product of cellular metabolism that must be exhaled 

Frontal sinus

Sphenoid sinus

Nasal cavity

Nasal conchae

Nasal vestibule

Nose consists of

• Nasal cavity

• Nasal conchae

• Nasal vestibule

Oral cavity

Esophagus

Pharynx

Epiglottis

Thyroid cartilage

Cricoid cartilage

Larynx consists of

• Epiglottis

• Thyroid cartilage

• Cricoid cartilage

Paranasal sinuses consists of

• Frontal sinus

• Sphenoid sinus

Vocal folds

Trachea

Carina of Trachea

Main bronchi

Lingular division bronchi

Superior lobe

Horizontal fissure

Oblique fissure

Middle lobe

Inferior lobe

Right lung consists of

• Superior lobe

• Horizontal fissure

• Oblique fissure

• Middle lobe

• Inferior lobe

Diaphragm

Superior Lobar bronchus

Inferior lobar bronchus

Middle Lobar bronchus

Lobar bronchus consists of

• Superior

• Middle

• Inferior

Capillary beds

Connective tissue

Alveolar sacs

Alveolar duct

Mucous gland

Mucous lining

Pulmonary vein

Pulmonary artery

Atrium

Alveoli

Tracheal and bronchi rings

Superior lobe

Apex of left lung

Oblique fissure

Cardiac notch

Lingula of lung

Inferior lobe

The Nasal Conchae are also called ____

Turbinate Bones

Spaces between conchae called Meatuses do___

• Communicate with the sinuses

• Inferior meatus directs most airflow

• Slows air down and allows more humidification

Sphenoidal Sinus

Nasal meatuses (superior, middle, inferior)

Pharyngeal tonsil

Opening of auditory tube

Nasopharynx

Uvula

Palatine tonsil

Oropharynx

Laryngopharynx

Frontal sinus

Ethmoid bone

Nasal conchae

Nasal vestibule

Nostril

Hard Palate

Soft palate

Tounge

Lingual tonsil

Epiglottis

Nasal cavity

Hard palate

Tounge

Epiglottis

Larynx

Esophagus

Trachea

Nasopharynx

Oropharynx

Laryngopharynx

Sphenoid sinus

Frontal sinus

Superior nasal conchae

Middle nasal conchae

Inferior nasal conchae

Hard Palate

37

Frontal Sinus

38

Sphenoid Sinus 

58

Superior Nasal Conchae (Turbinate)

59

Middle Nasal Conchae (Turbinate)

60

Inferior Nasal Conchae (Turbinate)

61

Opening of Eustachian Tube

76

Vestibular Folds (false vocal cords)

77

Vocal Folds (true vocal cords)

78

Larynx

79

Nasopharynx

80

Oropharynx

81

Laryngopharynx

All Paranasal sinuses can be implicated in ___

sinus infections