Respiratory system: Quick Facts

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Facts

Also Known As	airway • respiratory tract

Photos and Videos

Illustration showing different animals and their respiratory organs: a spider with book lungs, a chicken with lungs, a sponge with labeled inflow and outflow pores, a fish with gills, and a caterpillar with spiracles.

Diagram of a grasshopper with its respiratory system highlighted, showing labeled spiracles and internal tracheal tubes that deliver air throughout the insect's body.

diaphragm; breathing

A swimmer wearing goggles and a swim cap turns their head to breathe while swimming in open water, emphasizing the act of breathing during exercise.

Observe ciliated cells throughout the human respiratory system

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Topics

human respiratory system respiration lung trachea larynx pharynx nose How do frogs breathe?How do fish breathe?Syrinx muscle nervous system immune system Circulatory system Integument Endocrine system mucous membrane gland human ear Physiology

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Key People

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René Laënnec

French physician

Josef Breuer

Josef Breuer

Austrian physician

Superficial arteries and veins of face and scalp, cardiovascular system, human anatomy, (Netter replacement project - SSC)

The Human Body

3d illustration human heart. Adult Anatomy Aorta Black Blood Vessel Cardiovascular System Coronary Artery Coronary Sinus Front View Glowing Human Artery Human Heart Human Internal Organ Medical X-ray Myocardium

Human Organs