The keel (carina) is an extension of the sternum (breast bone) in birds, serving as the primary attachment site for flight muscles.
What is the keel bone of a bird commonly called?
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Question context
This question is part of 🧫 Biotechnology within the broader 🧬 Medical Science subject and appears in the PPSC Punjab Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.