1. elizazile:

horseshoe crabs have blue blood because they have hemocyanin rather than hemoglobin in their blood. their blood is harvested to use in medical testing.

Fuck. That makes me so sad.

    elizazile:

    horseshoe crabs have blue blood because they have hemocyanin rather than hemoglobin in their blood. their blood is harvested to use in medical testing.

    Fuck. That makes me so sad.

    (via verbivorous)

      1. idonotneedtobeforgiven reblogged this from mutualassureddistraction
      2. metalmurmaid reblogged this from elizazile and added:
        BLUE BLOOD!
      3. mutualassureddistraction reblogged this from megaera
      4. pgjrgirl reblogged this from risiblezombie and added:
        ahhhhh, it’s blue because it uses copper instead of iron!!! :D COPPER
      5. risiblezombie reblogged this from verbivorous and added:
        What??! That is so awesome =o
      6. dirkharley reblogged this from verbivorous and added:
        Vriska u ok
      7. megaera reblogged this from verbivorous and added:
        Fuck. That makes me so sad.
      8. sanctuaryfortress reblogged this from elizazile and added:
        wtf?
      9. inuryuvr reblogged this from elizazile
      10. helloimcatherine reblogged this from elizazile
      11. teaandgirls reblogged this from elizazile
      12. elizazile posted this