Respiratory system

Function

Brings oxygen into the blood and removes carbon dioxide through gas exchange in the lungs.

Includes

Nose, pharynx, larynx, trachea, bronchi and lungs.¹

Organs of this system

• Lungs
• Trachea

Educational illustrations, not medical images.

A short overview linking this part to related content.

Conditions that affect it

• AsthmaCondition
• Asthma in childrenCondition
• Influenza (flu)Condition
• Lung cancerCondition
• TuberculosisCondition
• Allergic rhinitis (hay fever)Condition
• Pulmonary hypertensionCondition
• SinusitisCondition

Includes

• LungsOrgan
• TracheaOrgan

Specialty

• PulmonologySpecialty

Imaged with

• EndoscopyProcedure

Related to

• Otolaryngology (ENT)Specialty

References

1. 1
   NCI SEER Training. Respiratory System. training.seer.cancer.gov/anatomy/respiratory/
   Educational & historical references · Accessed 2026-10-04