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Well, the actual nail is always dead, just like your hair. The blue comes from something like a bruise in the skin underneath the nail.

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14y ago

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Why do dead people's fingernails turn blue?

After death, blood circulation stops, causing blood to pool in the capillaries under the fingernails. This pooling of deoxygenated blood can give the fingernails a bluish appearance due to lack of oxygen.


Why are my fingernails blue?

If I were you, I would check my drinking water for nitrates. They are responsible for "blue baby syndrome", where skin turns blue, but I don't know about fingernails. nail polish tehe Family Feud answers: nail polish, cold, dead, bruised


Which of these is a sign of dehydration shivering sleepiness talkativeness blue fingernails?

blue fingernails


What do blue fingernails look like?

Blue fingernails should look fungi infection


What caused your fingernails to turn orange?

Betacarotene found in fruits and vegetables can cause fingernails to turn orange when taken in high quantities.


What causes fingernails to turn yellow?

dirt


What is the stuff that is in fingernails?

It's you dead, hsrden skin!


Do your fingernails stop growing?

Basically, when you're dead.


Are fingernails dead?

Yes. As is hair and the outer layer of the skin.


What substance is hair and fingernails made up of?

dead cells


Why are fingernails clear?

so that we don't eat the germs which we touch along with our food and get sick. and fingernails are made up of dead skin


Can carbon monoxide turn your fingernails blue?

Yes, exposure to high levels of carbon monoxide can lead to a condition called carbon monoxide poisoning, which can cause cyanosis (bluish discoloration) of the skin and nail beds due to lack of oxygen. Blue fingernails can be a sign of severe oxygen deprivation and should be taken seriously as a medical emergency.