Introduction to the muscular system & skeletal muscle structure

Which of the following is not a function of the muscular system?

• Movement

• leverage

• Maintain Posture & Body Position

• Maintain Body Temperature

• Guard Entrances & Exits

Which of the following is not a function of the muscular system?

• Movement

• Support Soft Tissues

• Maintain Posture & Body Position

• protection

• Guard Entrances & Exits

Interactions between actin and myosin filaments of the sarcomere are responsible for ________ _______.

• action potentials

• muscle contraction

• cellular respiration

• anaerobic respiration

The bundle of collagen fibers at the end of a skeletal muscle that attaches the muscle to bone is called a(n) ______________.

• tendon

• ligament

• myofibril

• sarcomere

Heat energy produced from muscle contraction is released through the ________ system.

• muscular

• Integument

• Skeletal

• Circulatory (cardiovascular)

• Respiratory

Tags

NGSS.HS-LS1-3

The cell membrane of skeletal muscle is called the ___________.

• sarcolemma

• sarcoplasm

• sarcomere

• sarcoplasmic reticulum

What are the four characteristics of muscle? (pick 4 answers)

• excitability

• contractility

• extensibility

• elasticity

• flexibility

What are the three layers of connective tissue associated with muscle tissue? (pick 3 answers)

• epimysium

• perimysium

• endomysium

• sarcolemma

• myofibril

A band or sheet of connective tissue, primarily collagen, beneath the skin that attaches, stabilizes, encloses, and separates muscles and other internal organs is called ________.

• fascia

• fascicles

• epimysium

• perimysium

• endomysium

_______________ are bundles of muscle fibers surrounded by perimysium.

• fascia

• fascicles

• epimysium

• perimysium

• endomysium