Unit 6_Muscle tissue

Muscles that are attached to bones and are voluntary or consciously controlled are?

• striated muscles
• cardiac muscles
• nonstriated
• insertion muscles

A sarcomere is

• A protein filament or fiber
• The basic contractile unit of muscle contraction
• An organelle
• An organ

Tags

NGSS.HS-LS1-2

The part of the sarcomere that A (green) refers to is the?

• Z Line
• M Line
• H Line
• A Line

What state is the sarcomere in #1

• Relaxed
• Contracting
• Fully Contracted
• None of the above

What state is the sarcomere in #2

• Relaxed
• Contracting
• Fully Contracted
• None of the above

What happens to the Z lines during a sarcomere contraction?

• It disappears
• gets closer together
• It gets bigger
• None of these

The epimysium covers

• the entire muscle

• the fascicle

• the muscle fiber

• the myofibril

Which connective tissue surrounds the fascicle?

• epimysium

• perimysium

• sarcolemma

• endomysium

What is another name for #9 (cell membrane)?

• Sarcomere

• Sarcolemma

• Myofibril

• Myofiber

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

Connective tissue that attaches muscle to bone.

• Epimysium
• Tendon
• Perimysium
• sarcolemma