Muscular system

The cardiac muscle is sometimes referred to as the __________.

• myocardium

• endocardium

• pericardium

• epicardium

__________ brings two bones closer together, decreasing the angle between them.

• Flexion

• Extension

• Abduction

• Rotation

________ is bringing a body part toward the midline.

• Rotation

• Abduction

• Adduction

• Flexion

________ is a circular movement that occurs around a central axis or point.

• Lateral flexion

• Abduction

• Adduction

• Rotation

During ________ body movement, the bones move away from each other, increasing the angle or space between the bones.

• flexion

• extension

• origin

• insertion

Which of the following is one of the seven criteria for naming muscles?

• Total volume

• Action or function

• Number of fibers

• Contraction speed

The pectoralis major is a paired muscle forming the ________.

• chest

• abdomen

• back

• neck

The zygomaticus is your _______ muscle.

• smiling

• chewing

• blinking

• breathing

The masseter functions to move your mandible so that you can close your _______.

• jaw

• eyes

• ears

• nose

The intercostal muscles are thin muscles between each of the ________.

• ribs

• vertebrae

• muscles

• organs