Ruler thru houses

Interesting and short read, if you got less time

http://www.cafeastrology.com/natal/rulersofhousesinhouses.html

sample horoscope - Mark Zuckerberg

http://planetspower.blogspot.com/2012/05/mark-zuckerbergs-horoscope.html

Rahu exalted in 2nd house- this explains income thru internet/technology
Saturn exalted in 7, 7 and 1 partivarthana- this explains deep connection with masses/people
Ju in its own house in 9 - explains his Phd degree in Harvard

Body parts and houses

Why is it important?
YOu can't do anything without health. Its better to know the status of troublecausing body parts thru charts and being proactive in caring for it
Also if a planet/house is strong, then you will spend more time to that body part. Eg. if strong 2nd house, then you will spend more time on teeth
You will never care/remain careless for body parts represented by house that rents Kethu.
If a house contain debilitated planet, i guess u r completely unaware such organ exist
Here is a complete chart
http://www.venoastrology.com/humanbody.html