Harry is about to protest, but he's looking into the opened chest cavity just then and realises that Victor has the right idea. A moment to breathe will do him some good.

He straightens up and puts down the scalpel. "Very well. You are right, of course, there is no need to be hasty." He bends down and takes a folded sheet out from under the exam table and shakes it out, to cover the corpse.