'About 65% of iron in humans is in the form of this, which transports molecular oxygen from the lungs through the body'
hemoglobin
SCIENCE: About 65% of iron in humans is in the form of this, which transports molecular oxygen from the lungs through the body
About 65% of iron in humans is in the form of this, which transports molecular oxygen from the lungs through the body
About 65% of iron in humans is in the form of this, which transports molecular oxygen from the lungs through the body
SCIENCE
hemoglobin
SCIENCE