Q: What blood protein carries oxygen from the lungs to cells throughout the body?


Read this paragraph and choose the correct option from the provided answers:

The blood protein hemoglobin binds with oxygen and carries it from the lungs to cells throughout the body. Heme is a small molecule containing iron that is part of the larger hemoglobin molecule. Oxygen binds to the iron in heme.

 Choices:

- plasma

- platelets

- dopamine

- hemoglobin


A:
hemoglobin