Question

Which of the following is not correct about the thoracic chamber in humans?

• A. It is an air tight chamber in which lungs are situated.
• B. It is formed ventrally by sternum and dorsally by ribs.
• C. It is formed on the lower side by the dome shaped diaphragm.
• D. Both $\left(A\right)$ and $\left(C\right)$

Answer 1

Answer: (B)

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