This is the 60th most frequent Polish word.
swoje
"One's own."
The word "swoje" is used here to mean "his" in the sense of "his own," referencing possession.
On zawsze broni swoje poglądy.
He always defends his views.
The word "swoje" is used here to denote "one's own" health, indicating personal responsibility.
Każdy powinien dbać o swoje zdrowie.
Everyone should take care of their health.
The word "swoje" is used to show that the task of completing homework pertains to the children themselves.