Catechism of the Catholic Church
D. Para. 364: The human body shares in the dignity of the image of God: it is a human body precisely because it is animated by a spiritual soul, and it is the whole human person that is intended to become, in the body of Christ, a temple of the Spirit (Cf. 1 Cor 6:19-20; 15:44-45).
Man, though made of body and soul, is a unity. Through his very bodily condition he sums up in himself the elements of the material world. Through him they are thus brought to their highest perfection and can raise their voice in praise freely given to the Creator. For this reason man may not despise his bodily life. Rather he is obliged to regard his body as good and to hold it in honor since God has created it and will raise it up on the last day (GS 14 § 1; cf. Dan 3:57-80).
Para. 365: The unity of soul and body is so profound that one has to consider the soul to be the form of the body (Cf. Council of Vienne [1312]: DS 902): i.e., it is because of its spiritual soul that the body made of matter becomes a living, human body; spirit and matter, in man, are not two natures united, but rather their union forms a single nature.