Muscle Physiology Review

What is the name of the connective tissue covering that covers the entire muscle organ?

• endomysium
• perimysium
• epimysium

List the structures of the muscle organ from smallest to largest

• sarcomere, muscle fiber, fascicle, muscle organ
• fascicle, muscle organ, myofibril
• fascicle, sarcomere, muscle organ

Tags

NGSS.HS-LS1-2

What is the name of the contractile unit in a muscle cell?

• fascicle
• sarcomere
• tendon
• endomysium

What two chemicals are necessary for muscle contraction to occur?

• Niacin and Potassium
• Calcium and ATP
• Sodium and Potassium
• Ach and Potassium

What is the connective tissue covering of a muscle fascicle?

• endomysium
• perimysium
• epimysium

The neurotransmitter that signals muscle contraction is called...

• Ach
• Myosin
• Actin
• Calcium

a bundle of muscle fibers

• actin
• mysoin
• fascicle
• sarcomere

Tags

NGSS.HS-LS1-2

the thin filament in muscle cells

• myosin
• actin
• myoglobin
• hemoglobin

the cell membrane of a muscle cell

• sarcoplasm
• sarcolemma
• sarcomere
• myofibril

the thick filament in muscle cells

• actin
• myosin
• hemoglobin
• myofibril