What about venus fly traps? What about poison ivy?
They are systems with mechanisms, but we don't think of dead skin cells as the death of a "creature".
Plants are distinct organisms. Skin cells are part of an organism. Big difference.
Our schools have so warped our thinking that this distinction is lost on many.
You seem to be the one who can't make the distinction between organs and organisms.
Next time you go shooting, take aim at a tree. Come back and tell me if you blew it's guts out.