Aquaman is scratched by a Robot shark, exposing his blood.[1]

Blood is the bodily fluid of humans, animals and most alien species. When oxygenated, it appears red, although some alien species have a variety of different colors of blood. As an example, Ungarans have purple blood.[2]

Mammals and birds generally have warm blood, while reptiles, amphibians and fish have cold blood.

Murder is a crime that is often referred to as Bloodshed, which refers to spilling blood. Without blood, a person cannot live. In the case of Bruce Wayne's parents, this is what happened to them, after they were shot by a gun, they bled to death.

It is common in the medical field for patients with a low-blood count to receive blood transfusions.[3]

Vampires are creatures who feed on blood just like food. This is one of many reasons why Vampires are hated by so many people.


  1. As seen in Superclones.
  2. This was never shown to be the case in the SFU but in DC Comics and other sources Ungarans have purple blood.
  3. As seen in A Pint of Life.

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