Could Magneto Control Blood?

Magneto isn't limited to manipulating iron blood content to exert bodily control over his targets. Living organisms have plenty of electromagnetic chemistry in their bodies that he can manipulate.

Can Magneto pulls iron out of blood?

Magneto is arguably one of the most powerful (and coolest) of the X-Men. Manipulating the electromagnetic spectrum, he can shift, shape, and summon metal. He's apparently so powerful in X-2: X-Men United that he can use his mutant abilities to rip the iron right out of your blood.

Can Magneto control your blood?

Since Magneto is able to control magnetic fields, it's likely his powers could extend to the process Tao and Huang studied. Magneto could apply a magnetic field to someone's bloodstream, which would thin the blood. Except Magneto would be helping the person, not hurting them.