How did the “Father of Anatomy” contribute to the study of the human body?

Andreas Vesalius became first to study human anatomy.

Explanation:

Andreas Vesalius wrote a book called Seven Chapters on the Structure of the Human Body that caused to the rise of advanced human anatomy. His work became very notable for medicine because it gave physicians a thorough knowledge of human anatomy, and it propelled them to examine the claims of ancient medical experts, which were unusual than Vesalius hypotheses. He's seen as a Renaissance figure of the 16th Century and considered being the father of modern medicine.  

nucleus

would be most reasonable answer tbh