Cost of health insurance, living, public transportation in Poland. What should I expect after moving here?

How much money would a twentysix-year-old man living alone would be expected to spend on:

-health insurance
-living expenses
-public transportation

?

It depend from the place / city in Poland - amounts may vary.
Such questions appeared before on PF. I suggest to search the site a little:

Health insurance:

Costs of living in Poland: do search.

medical insurance poland there you can get any information about life, healthcare or medical insurance.