First slide

Human Respiratory System

Question

Mark the correct combination with regard to thoracic chamber.
Dorsal Ventral Lateral Lower side
1. Sternum Vertebral column Diaphragm Ribs
2. Ribs Vertebral column Sternum Diaphragm
3. Vertebral column Sternum Ribs Diaphragm
4. Vertebral column Sternum Diaphragm Ribs

Easy

A

1
B

2
C

3
D

4

Solution

The lungs are situated in the thoracic chamber which is anatomically an air-tight chamber. The thoracic chamber is formed dorsally by the vertebral column, ventrally by the sternum, laterally by the ribs and on the lower side by the dome-shaped diaphragm.

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