Which vertebrate group shows the most efficient respiratory system?
Show answer and explanation
Correct answer: Birds
Birds possess a highly efficient respiratory system with air sacs and unidirectional airflow. This supports high metabolic demands of flight.
Keep practicing
More Comparative Organ System Anatomy questions
- Metanephric kidneys are characteristic of:
- Which organ system shows the most progressive complexity from fishes to mammals?
- Gills are the primary respiratory organs in:
- Which vertebrate group possesses lungs as well as cutaneous respiration?
- The four-chambered heart is found in:
- Which vertebrates possess a two-chambered heart?