Muscles Part 1 Quiz

This type of muscle is under involuntary control and can contract without nervous system stimulation

• Skeletal muscle

• Smooth muscle

• Cardiac muscle

This muscle characteristic describes a muscles ability to be stretched

• Excitability

• Contractibility

• Extensibility

• Elasticity

This layer of fibrous connective tissue surrounds each fascicle

• Epimysium

• Perimysium

• Endomysium

• Periosteum

This point of skeletal muscle attachment is the anchoring bone or connective tissue

• Insertion

• Origin

These are invaginations of the sarcolemma that create a tube network in the cell, allowing things to travel to the middle of the cell faster

• Sarcolemma

• Sarcoplasm

• Sarcoplasmic reticulum

• T-tubules

The _____ band is the light band and it contains just _______

• I band, myosin

• I band, actin

• A band, myosin

• A band, actin

This is the line in the center of the H zone that consists of proteins attaching to myosin

• Z disc

• H zone

• M line

• A band

The ________ binds to actin to form cross bridges

• myosin head

• myosin tail

• troponin

• tropomyosin

This part of the muscle cell functions in calcium storage

• Sarcoplasm

• Sarcoplasmic reticulum

• Sarcolemma

• A band