Different colors of blood : coolguides
https://www.reddit.com/r/coolguides/comments/vebhch/different_colors_of_blood/This slug got stepped on or a cart rolled over it. Why are its insides neon? : interestingasfuck
https://www.reddit.com/r/interestingasfuck/comments/ve4su9/this_slug_got_stepped_on_or_a_cart_rolled_over_it/