Muscular System Quiz Review

___________________ muscles make up organs such as your stomach, your diaphragm and your esophagus.

• cardiac

• strong

• smooth

• skeletal

_______________ muscles make up your heart.

• cardiac

• smooth

• strong

• skeletal

_______________ muscles pull on bones to make them move.

• cardiac

• strong

• smooth

• skeletal

A __________________ connects muscle to bone.

• tendon

• ligament

• muscle

• cartilage

What type of muscle is under conscious control?

• Skeletal

• Cardiac

• Involuntary

• Smooth

What type of muscle is striated?

• Skeletal

• Cardiac

• Smooth

• Both Skeletal and Cardiac

When a muscle contracts, it becomes ____________.

• Shorter

• Longer

• Heavier

• Skinnier

Myofibrils are made of even smaller protein filaments called______________.

• Ligament and tendon

• sarcomere and striation

• actin and myosin

• lactic acid and ATP

True or False: Cross-bridges is when a myosin head attaches to an actin during contraction

• True

• False

What causes the muscle to stop contracting?

• Lack of effort

• Myosin-Heads fail to attach

• Calcium Ions are pumped away

• Muscle fibre tears