Final answer:
The orbit is formed by seven cranial and facial bones: the frontal, zygomatic, maxillary, palatine, ethmoid, lacrimal, and sphenoid.
Step-by-step explanation:
The orbit, or the bony cavity that houses the eyeball and its associated muscles, is composed of contributions from seven skull bones. These seven bones are the frontal bone, which forms the roof of the orbit; the zygomatic bone, which forms the lateral wall and part of the floor; the maxillary bone, which primarily forms the medial floor; the palatine bone, which makes a small contribution to the floor; the ethmoid bone and the lacrimal bone, both contributing to the medial wall; and the sphenoid bone, which forms the posterior part of the orbit.