Answer:
Da Vinci
Explanation:
Albert Einstein was a physicist and did not make any progress in understanding the human body. He did instead make remarkable progress in physics.
Newton, like Einstein, didn't work with the human body but with math and he did his progress for science in math and physics.
Charles Darwin was responsible for the theory of evolution and natural selection and didn't make any progress when we are talking about human bodies.
I would say 1/2 to 2 pounds is the right answer I think
All of the above is the correct answer
