Cosmology
Adam’s head represents the first principle (wisdom) as the source of meaning for the body. The head provides a unifying principle to answer the dark (subconscious) enigmas of the flesh. In exchange, the body expresses and supports the head with the actions of the arms and legs.
(The Language of Creation: Cosmic Symbolism in Genesis - A Commentary by Matthieu Pageau, 2018. Pages 51-53)