This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pathology
The protein that carries iron from the gut to the body tissues is called 
Select and explain. 
A. Ferritin, B. Haemosiderin, C. Myoglobin, D. Transferrin
D: Transferrin
Answer: D: Transferrin 
Explanation: None