When you think about the brain, it's difficult to understand, because if I were to ask you right now, how does the heart work, you would instantly tell me it's a pump.
Saat kita belajar tentang otak, cukup sulit untuk memahaminya, bandingkan jika saya bertanya, bagaimana kerja jantung, kamu bisa segera menjawab seperti sebuah pompa.