Anatomy False about larynx ? A 9 cailages - 3 paired and 3 unpaired. B Extends from C3 to C6 veebrae. C External laryngeal nerve supplies all laryngeal muscles except cricothyroid. D Cricothyroid is a tensor of vocal cord. 💡 Explanation False about larynx ? ✓ Correct Answer: C. External laryngeal nerve supplies all laryngeal muscles except cricothyroid.