Skeletal Muscle

The entire muscle is encased by connective tissue called the

• sacromere

• sarcoplasm

• myosin

• epimysium

The _______________ covers bundles of cells (fascicles) within the muscle.

• endomysium

• perimysium

• sarcoplasm

• tendon

the cordlike connective tissue that attaches a muscle to a bone is called

• a tendon

• a ligament

• a sarcomere

• a fascicle

the functional contractile unit within a muscle fiber is called the

• sarcomere

• fascia

• sarcoplasm

• tendon

the cytoplasm of a muscle cell is called the

• myosin

• actin

• fascia

• sarcoplasm

Structure B is known as the thin filaments of the sarcomere, what is another name for the thin filaments?

• myosin

• actin

• fascia

• myofibril

Structure C is known as the thick filament of the sarcomere, it is also known as

• myosin

• actin

• fascia

• myofibrils

Structure A is on either side of the sarcomere, it is called the

• A band

• I band

• Z disc

• fascia

Tags

NGSS.HS-LS1-2

The unit between A and A is called

• a sarcomere

• The I band

• the Z disc

• fascia

A muscle primarily responsible fro the action (movement) is called the

• prime mover

• antagonist

• synergist

• fixator