Why is octopus blood blue?

Why is octopus blood blue?

Why is octopus blood blue?

Octopuses and horseshoe crabs have blue blood because the protein transporting oxygen in their blood, hemocyanin, contains copper, instead of iron, making their blood appear blue rather than red. Hemocyanin is much bigger than hemoglobin and can bind 96 oxygen atoms.

  • 607.2K views
  • 2024-02-11 17:01:52
Show all Q/A Info

Why is squid blood blue?
Squid blood is blue, not red as in humans. This is because squid blood contains a copper-containing compound called haemocyanin. In humans, the blood is red and contains the iron compound haemoglobin.
2024-02-06 11:26:40


Is back 4 blood an aaa game?
With three expansions – Tunnels of Terror, Children of the Worm, and River of Blood – we've traveled on a fantastic adventure together beyond the walls of Fort Hope. This phase of our war against the Ridden now comes to a close. Turtle Rock Studios is actually pretty small for a studio making AAA games.
2024-01-10 13:56:09


What causes blue baby in water?
The use of nitrate-contaminated drinking water to prepare infant formula is a well-known risk factor for infant methemoglobinemia. Affected infants develop a peculiar blue-gray skin color and may become irritable or lethargic, depending on the severity of their condition.
2024-01-06 10:12:46


Do humans have blue blood?
Share on Pinterest It is a myth that deoxygenated blood is blue; all blood in the human body is red. Human blood contains hemoglobin, which is a complex protein molecule in red blood cells. Hemoglobin contains iron.
2023-01-25 15:36:05