Are our veins blue? | Why do Veins Appear Blue, But Blood is Red? | BYJU'S Mistaken Sceince

Veins are a type of blood vessels inside our body. They carry deoxygenated, or oxygen-poor blood from different parts of the body to the heart. They appear bluish-green under our skin, and for some people they might even appear violet! Does that mean deoxygenated blood is not red but blue? Well, if you’ve had your blood drawn, you might have noticed that the blood from your veins is not blue. But then why do veins appear bluish? Watch this Mistaken Science video to know why our veins appear blue instead of red.

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[byjusclasses]

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[NandaniKumari-ucjh]

Yes, other organisms can have blue blood like octopus because their blood contain hemocynin instead of haemoglobin.

[rohinisantra]

Lobsters, crabs, pillbugs, shrimp, octopus, crayfish, scallops, barnacles, snails, small worms (except earthworms), clams, squid, slugs, mussels, horseshoe crabs, most spider due to haemocynin

[raiderplayz]

crabs have blue blood due to haemocyanin

[shifaahmad]

Yes other organisms can have blue coloured blood as well

[ritikabanerjeeclassbrolln]

Yes other organisms have blue blood like octopus, spider, crab contain hemocyanin instead of hemoglobin

[yashasvipatelb]

Octopus with haemocyanin has blue colour

[rollno.asamairagupta]

Crabs have blue blood because unlike humans their blood contains copper instead of iron

[s]

Yes it can, the octopus has blue coloured blood

[SolamanaiaSOLOMONA]

i had blue and green veins at once so its not fake its real idk if this is rare or not

[gunguntagore]

Octopus, snail and horseshoe crabs have blue blood