Vamos a observar su corazón.
To say heart in spanish, say: corazón
Corazón is heart in spanish.
The heart = el corazón
"Sister of my heart" in Spanish is "Hermana de mi corazón."
One way to say it is, "vigilar la asistencia."
you only say 'from my heart' it is 'de todo corazon'
French: Coeur
corazón confundido
corazon dulce
es mi corazon
Tienes mi corazon.
You could say "quiero mi corazón".