The Lawrence Arts Center, the Lawrence Public Library and 11 art galleries are hosting the Downtown Friday Gallery Walk from 7 to 9 p.m. tomorrow. The theme of the gallery walk is the human form, said Rick Mitchell, gallery director of the Lawrence Arts Center, 940 New Hampshire St. This is the first time the gallery walk has had a theme, he said. Art enthusiasts can walk from venue to venue and view art from local and national artists. Local artists will be at the venues to discuss their work with the public, said Sheila Wilkins, manager of Fields Gallery, 712 Massachusetts St. The Downtown Friday Gallery Walk happens four times a year. Free refreshments and maps with event locations will be provided at the galleries. A complete listing of the participating venues can be viewed at the Lawrence ArtWalk Web site, www.sunflower.com