what was the meaning of the queen when she said "though i have the weak body of a women, i have the heart and stomach of a man!"

This era was certainly a man's era. Women had little power unless they were the queen. It was a patriarchal even misogynist time. But even a queen was seen as physically weak so she had to prove that she had the heart of a man. This meant that she had an abundance of strength and will.