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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.

A Bronchial Tube

A small bronchial tube. Labels: a, dividing into its terminal branches, c; these have pouched or sacculated…

Front view of cartilages of larynx, trachea and Bronchi.

Front View of the Cartilages of the Larynx, Trachea and Bronchi.

Front view of cartilages of larynx, trachea and Bronchi.

The lungs and air passages seen from the front. On the left of the figure the pulmonary tissue has been dissected away to show the ramifications of the bronchial tubes. Labels: a, larynx; b, trachea; d, right bronchus. The left bronchus is seen entering the root of its lung.

The Lungs and Air Passages

The lungs and air passages seen from the front. On the left of the figure the pulmonary tissue has been…