Complex sentence: Pedicellariae are compound ossicles with forceps-like jaws and function to remove debris from the body surface, moving about on their flexible stalks in response to physical or chemical stimuli, continually making biting movements.
Split into simpler sentences: Pedicellariae are compound ossicles with forceps-like jaws. They remove debris from the body surface and move about on flexible stalks in response to physical or chemical stimuli while continually making biting movements.