diaphragm: Quick Facts

Written and fact-checked by

The Information Architects of Encyclopaedia Britannica

Photos

Medical illustration of the human chest showing the lungs, diaphragm, ribs, trachea, bronchus, and bronchioles, with one lung cut away to reveal internal structures.

Anatomy of the human lungs.

diaphragm; breathing

Diagram of the female renal system showing kidneys, adrenal glands, and urinary tract organs in their anatomical positions, with labels for major structures including blood vessels, bladder, and uterus.

See All Images and Interactives →

Topics

mammal torso respiration muscle human respiratory system Respiratory system trachea lung larynx abdominal muscle pharynx nose pectoralis muscle trapezius muscle intercostalis muscle human muscle system

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

The Human Body

Male muscle, man flexing arm, bicep curl.

Facts You Should Know: The Human Body Quiz

Muscles of facial expression, human anatomy, (Netter replacement project - SSC). Human face, human head.

Characteristics of the Human Body