It’s a Heart! 1980
The Tin Woodman tells the circulatory story.

The Heart That Changed Color 1975
A short animated PSA, starring the Tin Woodman and Scarecrow from the land of Oz. They stop woodland animals from smoking a cigarette.

The Adventures of a Man in Search of a Heart 1974
A short animated PSA, starring Tin Woodman from the land of Oz. The Tin Man tells his story of looking for a heart and tells the viewer how to have a healthy heart.