Unit 4: Lesson 2 (Skull)

Front

What is the ethmoid bone?

Back

The ethmoid bone is a light, spongy bone located between the eyes, forming part of the nasal cavity and the orbits.

Front

What is the sphenoid bone?

Back

The sphenoid bone is a complex bone located at the base of the skull, contributing to the structure of the cranial cavity and the orbits.

Front

What is the parietal bone?

Back

The parietal bones are two large bones that form the sides and roof of the cranium.

Front

What is the function of the temporal bone?

Back

The temporal bone houses the structures of the inner ear and is involved in the formation of the skull.

Front

What is the strongest bone in the skull?

Back

The mandible is the strongest bone in the skull, responsible for holding the lower teeth and enabling chewing.

Front

What is the lacrimal bone?

Back

The lacrimal bone is a small bone forming part of the eye socket, involved in tear production and drainage.

Front

What is the zygomatic bone?

Back

The zygomatic bone, also known as the cheekbone, contributes to the structure of the face and the orbit.

Front

What is the nasal bone?

Back

The nasal bones are two small bones that form the bridge of the nose.

Front

What are the main functions of cranial bones?

Back

Cranial bones protect the brain, support the structures of the face, and provide attachment points for muscles.

Front

How many cranial bones are there in the human skull?

Back

There are eight cranial bones in the human skull.