2.3 Muscles

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

• endomysium

• perimysium

• sarcoplasm

• tendon

The entire muscle is encased by connective tissue called the

• sacromere

• sarcoplasm

• myosin

• epimysium

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

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

• myosin

• actin

• fascia

• myofibril

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

• prime mover

• antagonist

• synergist

• fixator

What class lever is our neck? 

• 1st Class Lever 
• 2nd Class Lever 
• 3rd Class Lever 

What is the name of the neurotransmitter that is released from the neuron to the sarcolemma?

• Acetylcholine

• Acetone

• ATP

• Calcium

A bundle of fascicles is a

• myofibril

• muscle fiber

• sarcomere

• muscle

A bundle of myofibrils is a

• muscle

• sarcomere

• muscle fiber

• fascicle