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 system responsible for transporting blood around the body is 
Select and explain. 
A. Urinary system, B. Circulatory system, C. Lymphatic system, D. Digestive system
B: Circulatory system
Answer: B: Circulatory system 
Explanation: The circulatory system consists of the heart, the blood vessels and the blood,
and its function is to transport the blood around the body