"Llama de mi corazón" would be "flame of my heart".
To say heart in spanish, say: corazón
Corazón is heart in spanish.
Dónde está el tuyo?
"My heart is yours" in Polish is "Moje serce jest twoje" or "Moje serce należy do Ciebie" (My heart belongs to you).
The heart = el corazón
I'm yours in spanish would be "soy tuyo" (masculine) or/and "soy tuya" (femenine)....
metetelo hasta el fondo!
Soy tuyo para siempre
I am yours = soy tuyo (masc) or tuya (fem)
"Sister of my heart" in Spanish is "Hermana de mi corazón."
mi amor es a la tuya
soy suyo para vida