Muscle Anatomy Review

protein structures that make up muscle fibers, actin and myosin

• myofibrils

• myocyte

• sarcolemma

• A band

Which of the following is not a muscle tissue type

• smooth

• cardiac

• skeletal

• diaphragm

Voluntary muscle pulls on bones and causes body movements. striated.

• smooth

• cardiac

• skeletal

• none of these

Involuntary muscle is found in the intestines where it pushes food along the digestive tract. Also found in arteries and veins. unstriated

• smooth

• cardiac

• skeletal

• none of these

specialized muscle tissue found only in the heart, involuntary, striated and branched

• smooth

• cardiac

• skeletal

• none of these

Tags

NGSS.HS-LS1-4

smallest contractile unit of a muscle fiber, runs from Z line to Z line

• myofibril

• sarcolemma

• sarcomere

• sarcoplasmic reticulum

A dark thin protein band to which actin filaments are attached in a striated muscle fiber, marking the boundaries between adjacent sarcomeres.

• sarcomere

• Z line

• A band

• I band

a sheath of fibrous connective tissue surrounding the entire muscle.

• epimysium

• perimysium

• endomysium

• fascicle

Connective tissue surrounding a fascicle

• epimysium

• perimysium

• endomysium

• fascicle

Connective tissue surrounding a myocyte

• epimysium

• perimysium

• endomysium

• fascicle