Hemoglobin is the basis of bilirubin and is recycled by the spleen and turned into _____

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Multiple Choice

Hemoglobin is the basis of bilirubin and is recycled by the spleen and turned into _____

Explanation:
When red blood cells are consumed, hemoglobin is broken down, and the iron contained in the heme is salvaged and reused. The iron is released from heme, picked up by transferrin, and transported back to the bone marrow to make new red blood cells. Bilirubin is produced later from the remaining heme and processed by the liver for excretion, but iron is the component that is actually recycled as a usable resource.

When red blood cells are consumed, hemoglobin is broken down, and the iron contained in the heme is salvaged and reused. The iron is released from heme, picked up by transferrin, and transported back to the bone marrow to make new red blood cells. Bilirubin is produced later from the remaining heme and processed by the liver for excretion, but iron is the component that is actually recycled as a usable resource.

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