Why are human bodies asymmetrical?

Your heart leans towards the right. Your stomach, spleen, and pancreas are on the left side of your body. The gallbladder and most of your liver are on the right. If all your internal organs are flipped, a condition called situs inversus, it is often harmless. But why are human bodies asymmetrical? Find out in the video below! https://youtu.be/hLgh1pJP5ng