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Hemoglobin is an iron-rich [[molecule]] in [[blood]] that carries oxygen to the [[cell|cells]] of the body. The iron component in blood gives it a red color when carrying oxygen.
'''Hemoglobin''' is an iron-rich [[molecule]] in [[blood]] that carries oxygen to the [[cell|cells]] of the body. The iron component in blood gives it a red color when carrying oxygen.
[[Category:Biology]]
[[Category:Biology]]
[[Category:Anatomy]]
[[Category:Anatomy]]