Muscular System Quiz

What muscles would be used to kick a soccer ball?

What muscles would be used to stand on your tiptoes?

What is another name for a muscle fiber?

• sarcomere

• fascicle

• endomysium

• myofibril

What type of muscle is striated?

• Skeletal

• Cardiac

• Smooth

• Both Skeletal and Cardiac

After exercising for a long time without rest, the effectiveness of muscle contractions ............ and is called ........................

• Increases/force variance

• Decreases/force variance

• Does not change/ acceleration

• Heats up/energy variance

What type of muscle is under conscious control?

• Skeletal

• Cardiac

• Involuntary

• Smooth

Myofibrils are made of even smaller protein filaments called______________.

• Ligament and tendon

• sarcomere and striation

• actin and myosin

• lactic acid and ATP

The functional unit of a muscle cell is called a/an

• actin

• sarcomere

• myosin

• Z-line

Which of these is NOT a tissue that comprises most muscles?

• connective tissue

• blood vessels

• nerve fibers

• epithelial tissue

Select three answers that are examples of common muscle functions.

• Joint stabilization

• Maintaining body temperature

• Generating nerve impulses

• Posture