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: Anatomy
Which of the following is not a connective tissue - 
Select and explain. 
A. Blood, B. Muscle, C. Bone, D. Cartilage
B: Muscle
Answer: B: Muscle 
Explanation: Cartilages, bone and blood are specialized connective tissues.
Muscles are classified as muscle tissue.