Identify this muscle. It's the primary muscle involved in jaw closure.

Identify this muscle:

Identify this muscle:

Identify the muscle highlighted in blue

Identify the muscle indicated by the line: It's the "mom face" muscle.

Identify the muscle indicated by the line. The "kissing" muscle.

Identify the muscle indicated by the line. The "chewing" muscle.

Identify the muscle indicated by the line:

Identify the muscle indicated by the line. The "six-pack" muscles.

Identify the muscle indicated by the line:

Identify the muscle indicated by the line:

Identify the muscle indicated by the line:

Identify the muscle indicated by the line:

Identify the muscle indicated by the line:

Identify the muscle highlighted here.

Which term means "straight" and indicates the muscle fibers run in a linear/straight direction?

Which term means "angled" and indicates the muscle fibers run in am angled direction ?

Which term means "circular" and indicates the muscle fibers run in a circular direction?

Which term means "across" and indicates the muscle fibers run in a direction parallel to the floor?