LAB 14A - MUSCLES OF HEAD AND NECK

Front

What is the origin of the orbicularis oculi muscle?

Back

Maxillary and frontal bones.

Front

Which muscle is responsible for the action shown in the image?

Back

Platysma.

Front

Identify the muscle used in facial expressions that raises the eyebrows.

Back

Frontalis.

Front

What is the primary function of the zygomaticus muscle?

Back

To elevate the corners of the mouth, contributing to smiling.

Front

What muscle is known for its role in closing the eyelids?

Back

Orbicularis oculi.

Front

Which muscle is involved in chewing and helps in compressing the cheeks?

Back

Buccinator.

Front

What is the function of the mentalis muscle?

Back

To elevate and protrude the lower lip.

Front

Identify the muscle that helps in frowning and furrowing the brow.

Back

Corrugator.

Front

What is the role of the occipitalis muscle?

Back

To pull the scalp backward.

Front

Which muscle is located at the side of the face and assists in smiling?

Back

Zygomaticus major/minor.