CBSE · Class 11 · Biology · Breathing and Exchange of GasesThe primary site of gaseous exchange in human respiratory system is:
Step-by-Step Solution
Alveoli are the primary sites of gaseous exchange in human lungs. They provide a very large surface area and are richly supplied with blood capillaries for efficient exchange of oxygen and carbon dioxide.
Detailed Options Breakdown
Option : Trachea
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Breathing and Exchange of Gases.
Option 1: Bronchi
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Breathing and Exchange of Gases.
Option 2: Alveoli (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 3: Pharynx
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.