There's blood on him. She can see some of it. Smell it.

Null don't bleed. Which means that he does.

We're just human enough... to give a shit.

Why Rey is thinking that now, she doesn't know. She just tightens her grip around Kyrii, before throwing him in the air. He might as well be a ragdoll, when she bridges her spine and hurls the synthetic man onto his back.