Chapter 6 Muscular System

Muscles make up about___ to ___ of the body's weight

• 40%
• 50%

• 60%

• 70%

What are the muscle functions?

• Produce Movement

• Maintain posture and body postiion

• Stabilize joints

• All of the above

It is the longest and most slender muscle fibers

• Sarcolemma

• Mature skeletal muscle

• Endomysium

• Perimysium

It is the special membrane of the muscle cell

• Mature skeletal muscle

• Perimysium

• Sarcolemma

• Endomysium

What are the 3 types of Tissue surrounding a sarcolemma:

• Endomysium

• Perimysium

• Epimysium

• All of the above

Delicate connective tissue sheath that enclosed each muscle fiber

• Perimysium

• Epimysium

• Endomysium

• Fascicle

Alternating dark and light bands

• Cross Striations

• I band

• Z line

• Sarcomere

It is made of thick filaments of the protein, MYOSIN

• Light Band or I band

• Dark Bands or A bands

• Z line

• H band or H zone

It is made of thin filaments of the protein, ACTIN

• H band or H zone

• Z line

• Light Bands or I band

• Cross Striations

Dark staining band found in the central region of the I band

• H band

• Sarcomere

• Cross Striations

• Z line