Assertion: iron | /r/HasAspect | several vital functions
Facets:
value: such as carrying oxygen
type: OTHER
Source sentences:
text: Iron is present in all cells in the human body and has several vital functions, such as carrying oxygen to the tissues from the lungs as a key component of the hemoglobin protein, acting as a transport medium for electrons within the cells in the form of cytochromes, and facilitating oxygen enzyme reactions in various tissues.