Crossword Puzzle Entrepreneurs' org.

Clue: Entrepreneurs' org.

World Health Organization concern (FLU with 3 letters)
Aural organ (EAR with 3 letters)
Some fund-raising orgs. (PTAS with 4 letters)
Organization that began broadcasting on July 4, 1950 (RADIOFREEEUROPE with 15 letters)
Insect organ (PALP with 4 letters)
Well-organized person (PLANNER with 7 letters)
Certain internal organ (SPLEEN with 6 letters)
School reunion organizer (CLASSREP with 8 letters)
Organic fiber (ISTLE with 5 letters)
Organs usually found in pairs (LUNGS with 5 letters)