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: Physiology
Which of the following are most numerous in human blood 
Select and explain. 
A. Neutrophils, B. Eosinophils, C. Basophils, D. Monocytes
A: Neutrophils
Answer: A: Neutrophils 
Explanation: Normally, human blood contains 4000 to 11,000 white blood cells per microliter. Of these, the granulocytes (polymorphonuclear leukocytes, PMNs) are the most numerous. Among these neutrophils are the most common ones.