"Sangre" is the first single taken from the album Love by Mexican singer Thalía. The song was composed by the singer herself and the lyrics are dedicated to Alfredo Díaz Ordáz who died before the album was released. The song was successful in Mexico peaking at number two in the Notitas Musicales chart. "Sangre" is the third of four songs in which Thalía talks about body fluids, the others are "Saliva", "Sudor" and "Lágrimas" from the albums Thalía, Mundo de Cristal and En éxtasis, respectively.