This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Injuries, Subject name: Forensic Medicine
Most common site of diatoms test done in drowning is? 
Select and explain. 
A. Lungs, B. Bone marrow, C. Heart, D. Stomach
B: Bone marrow
Answer: B: Bone marrow 
Explanation: Ans. (b) Bone marrowRef. Forensic medicine and toxicology, JR. N. Karmakar 154, Review of forensic medicine, Toxicoloty by gautam biswas 2/e, p 160