This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Organic Mental Disorder, Subject name: Psychiatry
Which neuroanatomical part of the brain is involved in sexual drive? 
Select and explain. 
A. Temporal lobe, B. Limbic system, C. Hypothalamus, D. Frontal lobe
B: Limbic system
Answer: B: Limbic system 
Explanation: Ans. B. Limbic systemThe limbic system is directly involved with elements of sexual drive. In all mammals, the limbic system is involved in behavior required for self-preservation and the preservation of the species.