False about larynx ?
Larynx is made up of 9 cailages : 3 paired & 3 unpaired. It extends from C3 - C6 veebral level. All laryngeal muscles are supplied by recurrent laryngeal nerve except cricothyroid (supplied by external laryngeal nerve). Cricothyroid tenses the vocal cord .
9 cailages - 3 paired and 3 unpaired.
Extends from C3 to C6 veebrae.
External laryngeal nerve supplies all laryngeal muscles except cricothyroid.
Cricothyroid is a tensor of vocal cord.
Pharynx, larynx and trachea and cranial nerves 3,4,6