Assertion: iron | /r/HasProperty | a component of hemoglobin
Facets:
value: in the red blood cells
type: LOCATION
value: in animals
type: OTHER
Source sentences:
text: In animals, it is a component of hemoglobin — a protein in blood that carries oxygen from the lungs to the tissues in the body.
text: For example, iron is part of hemoglobin, a protein which carries oxygen from our lungs throughout our bodies.
text: Iron is important to plants and animals, and it is a part of hemoglobin.
text: It is a component of hemoglobin (in the red blood cells) and many enzymes in the body.