Assertion: iron | /r/HasProperty | important part of hemoglobin
Facets:
value: in red blood cells
type: LOCATION
Source sentences:
text: Iron is also an important part of hemoglobin, a protein in your blood that helps carry oxygen from your lungs to the rest of your body.
text: Iron is important for making haemoglobin in red blood cells, which carries oxygen around the body into our muscles and tissues.