This human anatomy ClipArt gallery offers 76 illustrations of the human lower respiratory system, including organs involved in respiration. The human lower respiratory tract includes the trachea, bronchi, lungs, and diaphragm.
Left pleural sac in a subject hardened by formalin injection, opened into by the removal of the costal…
Diagram showing arrangement of pleural sacs, as seen in transverse section.
Diagram to show the changes in the sternum, diaphragm, and abdominal wall in respiration. Labels: A,…
"The respiratory mechanism consists of the lungs, a series of minute air chambers with a network of…
The respiratory system. Labels: 1. the larynx; 2. the trachea; 3. right bronchia; 4. left bronchia;…
The respiratory system. Labels: 1, larynx; 2, trachea; 3, right lung; 4, left lung; 5, heart.
"Larynx, trachea, and bronchi, showing the manner of division, and the rings of cartilage." —…
Transverse section of trachea and esophagus of child, seen from below.
"The trachea has in its walls stiff rings of cartilage that hold it open so that the air can…
Transverse section of trachea, showing general arrangement of its wall.
Section of the trachea. Labels: a, columnar ciliated epithelium; b and c, proper structure of the mucous…
Transverse section through the trachea and its immediate surroundings at the level of each of the upper…
Transverse section of the trachea, just above its bifurcation, showing the carina tracheae.
Section through the humeral heads and the apices of the lungs.