Muscle Contraction

Bundle composed of actin and myosin

• whole muscle

• filaments

• fascicles

• myofibrils

A mitochondria's role in muscle contraction is the production of...

• ATP

• calcium ions

• myosin

• proteins

Actin is the ...

• Thick Filament

• Thin Filament

• basic contraction unit

• A Band

Myosin is the ...

• Thin filament

• Basic unit of contraction

• A molecule that changes shape when bound with Calcium Ions

• Thick Filament

This runs from z line to z line

• Myosin

• sarcoplasm

• sarcomere

• ATP

Muscle under voluntary control

• skeletal

• smooth

• cardiac

A motor neuron plus a muscle fiber

• neuromuscular junction

• motor end plate

• synapse

• vesicle

Muscle cell membrane

• sarcomere

• sarcoplasm

• sarcolemma

Membrane covering around the whole muscle

• epimysium

• perimysium

• endomysium

involuntary, striated, branched muscle found only in the heart

• Skeletal

• smooth

• cardiac