Muscular System Quiz

Muscle end attached to movable bone

• origin
• insertion

Calcium must be present for muscle contraction to happen.

• true
• false

Thick filaments in the sarcomere that stay in place & have moving heads that attach to thin filaments 

• actin
• myosin

Thin filaments that move and cause muscle contraction

• actin
• myosin

The smallest functional unit of a muscle

• fiber
• fascicle
• myo
• sarcomere

Bone is attached to bone by 

• tendons
• ligaments

Which of these is NOT related to the sliding filament model?

• troponin
• calcium
• lithium
• tropomyosin

#1

• actin
• myosin
• sarcomere
• Z-band

#4

• actin
• myosin
• sarcomere
• Z-band

#3

• actin
• myosin
• sarcomere
• Z-band