Is there metal in blood

Answer 1

In the blood of vertebrates and some invertebrates iron ions bound in a protein complex called hemoglobin transports oxygen.

In the blood of many invertebrates copper ions bound in a protein complex called hemocyanin transports oxygen.

However it is very likely that unbound sodium ions in the blood plasma outnumber the iron ions or copper ions in either case.

Answer 2

There is in fact metal in the blood of humans and other animals. This metal includes but is not limited to iron.

Answer 3

Iron is the common metal found in blood but not as a metal but as an ion.

Answer 4

iron