Why do you think it is so difficult to study the human body?

Question

Why do you think it is so difficult to study the human body?

Answer 1

Because it's the most complex thing known to existence. The brain alone is amazingly complex. There is so much going on all at once. It's hard to fully understand what exactly is happening at any given second, from the molecular level to the processes of functioning organs.

Answer 2

'cause we are too complex and far more interesting  that you can expect.