Respiratory System in Torso Model II
(Heart Removed)

background G F E D C B A outline

Trachea

Tube held open by rings of cartilage

Left Primary Bronchus

Branch of trachea entering left lung

Diaphragm

Skeletal muscle primarily responsible for ventilation

Esophagus

With autonomic nerve fibers

Right Primary Bronchus

Branch of
trachea
entering
right lung

Right Lung

Section of right lung

Brohchial Tree

As bronchi enter the lungs, there is an extensive branching pattern that resembles a tree

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