MP Board · Class 11 · Biology · Breathing and Exchange of GasesThe dome-shaped muscular structure that separates the thoracic cavity from the abdominal cavity is:
Step-by-Step Solution
The diaphragm is a dome-shaped muscular partition that separates the thoracic cavity from the abdominal cavity and plays a major role in breathing by changing the volume of the thoracic cavity.
Detailed Options Breakdown
Option : Pleura
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Breathing and Exchange of Gases.
Option 1: Epiglottis
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Breathing and Exchange of Gases.
Option 2: Diaphragm (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 3: Larynx
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Breathing and Exchange of Gases.
💡 Study Guide: This question tests core syllabus concepts from Breathing and Exchange of Gases. For formulas, key summaries, and mock exam reference guides, read the full Breathing and Exchange of Gases Revision Notes.