The Story
Did you know that not all blood is red? While most vertebrates (like humans) have red blood, octopuses and crustaceans have blue blood, leeches and some segmented worms have light green, lizards have green, some marine worms have violet, and sea cucumbers and some beetles have yellow! Write in the rainbow of blood colors with this gel pen 6-pack.
.7 mm tips
Each pack contains 6 unique colors:
HemoglobinÂ
HemocyaninÂ
ChlorocruorinÂ
HemerythrinÂ
VanabinÂ
Biliverdin
Â
Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
Did you know that not all blood is red? While most vertebrates (like humans) have red blood, octopuses and crustaceans have blue blood, leeches and some segmented worms have light green, lizards have green, some marine worms have violet, and sea cucumbers and some beetles have yellow! Write in the rainbow of blood colors with this gel pen 6-pack.
.7 mm tips
Each pack contains 6 unique colors:
HemoglobinÂ
HemocyaninÂ
ChlorocruorinÂ
HemerythrinÂ
VanabinÂ
Biliverdin
Â
