Clipart illustrations of the human lower respiratory system, including organs involved in respiration. The human lower respiratory tract includes the trachea, bronchi, lungs, and diaphragm.
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Air sac, diagrammatic view of an
"A, epithelial lining wall; B, partition between two adjacent sacs, in which run capillaries; C, fibers of elastic tissues." — Blaisedell, 1904... |
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Air Sacs from the Lungs
Two of the air sacs from the lungs with the network of blood tubes shown about one.... |
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Air Tubes in the Lungs
Diagram of the air tubes with the lung tissue removed.... |
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Air-Cells
Cluster of air-cells. 1: End of Bronchial Tube; 2: Air cell.... |
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Branchi and Blood Vessels
Branchi of the lungs, the heart, and blood vessels. Labels: 1, left auricle; 2, right auricle; 3, left ventricle; 5, pulmonary artery; 6, arch of the aorta; 7, superior vena cava; 8, arteria innomin... |
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Bronchi, Internal Surface of the
Internal surface of the bronchi.... |
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Bronchia
The bronchia. Labels; 1, Outline of the right lung. 2, Outline of the left lung. 3, Larynx. 4, Trachea. 5, 6, 7, 8, Bronchial tubes. 9, Air-cells.... |
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Bronchia and Veins of the Lungs
View of the bronchia and veins of the lungs, exposed by dissection, as well as the relative position of the lungs to the heart.... |
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Bronchial Tube
A small bronchial tube, a, dividing into its terminal branches, c; these have pouched or sacculated walls and end in the sacculated alveoli, b.... |
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Bronchial Tube
A small bronchial tube. Labels: a, dividing into its terminal branches, c; these have pouched or sacculated walls and end in the sacculated infundibula, b.... |
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Bronchial Tubes Terminating in Air Vesicles
View of the bronchial tubes, terminating in air vesicles. On the left is the external view (1, bronchial tube; 2, air vesicles). On the right is the bronchial tube and air vesicles laid open.... |
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Bronchioles
This diagram shows the bronchial tubes, with clusters of cells. The bronchioles are the first airway branches that no longer contain cartilage. They are branches of the bronchi, and are smaller than o... |
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Bronchus, Section of the
Transverse section of a bronchus. Labels: e, Epithelium (ciliated); immediately beneath it is the mucous membrane or internal fibrous layer, of varying thickness; m, muscular layer; s, m, submucous ti... |
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Chest and Abdomen in Respiration, A Front View of the
A front view of the chest and abdomen in respiration. Labels: 1, The position of the walls of the chest in inspiration. 2, The position of the diaphragm in inspiration. 3, The position of the walls of... |
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Chest and Abdomen in Respiration, A Side View of the
A side view of the chest and abdomen in respiration. Labels: 1, The cavity of the chest. 2, The cavity of the abdomen. 3, The line of direction for the diaphragm when relaxed in expiration. 4, The li... |
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Chest, Structure of
Structure of the chest, showing the framework of the bones which are connected together chiefly by muscles. It is important to understand the structure of the chest in order to understand how the mov... |
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Diaphragm Viewed from Above
The diaphragm, seen from above. ... |
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Diaphragm Viewed from Below
The diaphragm, viewed from below.... |
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Diaphragm Viewed from Front
The diaphragm, viewed from in front.... |
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Diaphragm, The
The diaphragm, which is the principal muscle that act sin breathing. Here you have the cavity of the chest, Cc, laid open, the ribs being cut away in front, and the heart and lungs taken out; ... |
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Diaphragm, The
Diaphragm of the diaphragm and it's placement in the chest. Let a represent the spinal column, b the front wall of the chest, Cc the cavity of the chest, and Ca the cavity... |
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Expiration
Expiration. 1: Diaphragm.... |
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Infundibula
Two small infundibula or groups of air cells, a, with air cells, b, and the ultimate bronchial tubes, c, with which the air cells communicates. From a newborn child. ... |
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Infundibula of the Lung
Two infundibula of the lung much magnified. Labels: b, b, hollow protrusions of the alveolus, opening into its central cavity; c, terminal branches of a bronchial tube.... |
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Inspiration
Inspiration. 1: Diaphragm; 2: Sternum.... |