Muscular System Quiz

The human body has more than ________________ muscles.

• 600

• 800

• 500

• 1,300

• 700

All of the following are functions of the muscular system EXCEPT:

• Aid in movement

• Produce heat

• Produce vitamins

T/F Muscles make up more than 40% of a person's body weight.

• True

• False

T/F Skeletal muscles only have 2 parts, the origin and insertion.

• True

• False

Plantarflexion is where the foot is:

• Extended downward

• Flexed upward

Muscles may be named according to:

• Function

• Direction of fibers

• Points of attachment

• All of the above

Movement away from the midline:

• Abduction

• Adduction

The act of bending is called:

• Extension

• Flexion

The act of straightening is called:

• Extension

• Flexion

Bones are attached to bones by:

• Ligaments

• Tendons