The human body performs incredibly complex functions on a daily basis. This is evidence of a very intelligent Designer and Creator.
What is the most complex, ingenious thing in the universe? A strong case can be made for it being the human body! Our bodies are composed of amazingly complex organs like the eye, the kidney and the liver. And the human brain itself makes the most advanced computer today look like a Tinkertoy.
Without really thinking about it, we do things on a daily basis that are extremely complicated tasks. Only recently have computers been able to complete some of the tasks that humans do routinely.