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[Marvel] If Wolverine’s bones are coated in solid metal adamantium, how does his body transport blood?

Wouldn’t the metal coating kill off any nerves or veins going in to his bones? 

Does his healing factor affect how his body accepts ot rejects foreign materials?

How can he even walk with all that extra weight?
gpt
> If Wolverine’s bones are coated in solid metal adamantium, how does his body transport blood? Wouldn’t the metal coating kill off any nerves or veins going in to his bones? 

Wolverine's healing factor was active and at its most potent when he was given the adamantium coating. As he was given the coating his bones were pumping out new blood cells like crazy; as the adamantium was coating his bones, it was still pliable for a few moments so the blood/veins were able to force their way through and create micro pores to travel through.

> Does his healing factor affect how his body accepts ot rejects foreign materials?

Yeah, his healing factor is weaker. When the adamantium was ripped out if his body, his healing factor went into overdrive mode and distorted his body to be much more inhuman. 

> How can he even walk with all that extra weight?

Regular humans can break through walls with though training. Someone with a healing factor as advanced as Wolverine can get gains almost instantly, so the extra weight doesn't affect him much, even in situations where it should.