He partially has lungs and a vocal chord ?

Though it reminds me of a conversation you can over hear in one of the Divine Divinity Baldurs Gate games between two skeletons, who talk themselves into how they shouldn't function, and then promptly fall to the floor in a pile.

Edit: corrected the game

Like this

AAAAAAHHHHHH!!!!! I'M A BONEY BOI WITH SOME BUT NOT ALL OF MY MUSCLES!!!!!!!

If you've done 6 impossible things this morning, why not round it off with a partially skeletal scream?