Muscle Structure & Physiology IMAGES

The arrow is pointing to

• The Z disc

• The I band

• The thin filament

• The H zone

This is a picture of

• Tropomyosin

• Actin

• Myosin

• The thin filament

Once calcium is released, it will

• attaches to myosin head
• attaches to receptors 
• attaches to tropomyosin
• attaches to troponin

Number 3 represents which of the following events

• action potential reaches the axon terminal
• sodium rushes into the muscle fiber
• potassium leaving the muscle fiber
• ACh crossing the synaptic cleft

Which number represents the Epimysium?

Which number represents the Perimysium?

Which number represents the Fascicle?

Which number represents the Muscle Fiber?

Tags

NGSS.MS-LS1-3

Which number represents the Myofibril?

Tags

NGSS.MS-LS1-3

Which number represents the Filaments?

Tags

NGSS.MS-LS1-3