A woman slaps her son twice in the face.
A white rat is forced to swim in a tank of water with nothing for it to grab onto. It pedals its paws in desperation while a sadistic professor watches.
A man injects himself, and a live monkey, on-screen with needles containing drugs.
A fragment of a human brain is poured out of a container, frozen, grated into slivers and injected into a live monkey.
Some ethical issues concerning animal rights in laboratories are discussed; this can get graphic and gory at times, as blood and animal bodies are seen.
A graphic spinal surgery in seen with flaps of yellow fat and sliced skin.
A disabled man attempts suicide by trapping himself in a laundry bag. He survives when his friend intervenes.