MCQ
Pick the correct statement.
  • A
    The contraction of internal intercostal muscles lifts up the ribs
  • B
    The $RBCs$ transport oxygen only
  • The thoracic cavity is anatomically an air tight chamber
  • D
    Healthy man can inspire approximately $500\; mL$ of air per minute

Answer

Correct option: C.
The thoracic cavity is anatomically an air tight chamber
c
The anatomical setup of lungs in the thorax is such that any change in volume of thoracic cavity will be reflected in the lung.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free