3. Look at the skull and identify the bones that form the orbital cavity. a. f.

Question

3. Look at the skull and identify the bones that form the orbital cavity. a. f. 4. Name the bone where each of the following markings is found. Markings Bone Maxilla Infraorbital foramen External auditory meatus Sella turcica Mandibular fossa Foramen magnunm Zygomatic process Mental foramen Mastoid process Supraorbital margin Temporal process Styloid process Ramus Palatine process 5. Some of the bones in the skull contain air-filled cavities called p aranasal sinuses Name the four paranasal sinuses found in the skull What are the functions of the paranasal sinuses? 6. The bone that is c alled the "keystone of the cranial floor" because it articulates with all the cranial bones is the

Explanation / Answer

The orbital cavity is formed from seven bones.

A. Frontal bone.

B. Lacrimal bone.

C. Zygomatic bone.

D. Ethmoid bone.

E. Maxillary bone.

F. Palatine bone.

G. Sphenoid bone.

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