This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Anatomy of skin, Subject name: Dental
Eyebrows don't grow beyond ceain length as they have a sho- 
Select and explain. 
A. Anagen phase, B. Telogen phase, C. Catagen phase, D. Exogen phase
A: Anagen phase
Answer: A: Anagen phase 
Explanation: Eyebrow hair do not have long anagen phase Ref Harrison20th edition pg 1236