Catechism of the Catholic Church §382 — excerpt
"Man, though made of body and soul, is a unity" (GS 14 # 1). the doctrine of the faith affirms that the spiritual and immortal soul is created immediately by God.
This translation is under copyright, so only the cited words are quoted here. Follow the link for the full text. Translation: English translation of the Catechism of the Catholic Church, 2nd ed. (Libreria Editrice Vaticana), as posted at vatican.va.