Anatomy of a Muscle

Sarcolemma is another name for...

• cell membrane

• cytoplasm

• endoplasmic reticulum

• mitochonrdia

The connective tissue that surrounds fascicles is called...

• epimysium

• perimysium

• endomysium

The connective tissue that surrounds each individual muscle cell is called...

• epimysium

• perimysium

• endomysium

The basic functional unit of a muscle fiber separated by the Z lines is called _____.

• sarcolemma

• sarcomere

• filaments

• myofibril

What is number 2?

• perimysium

• epimysium

• fascicle

• endomysium

What is number 3?

• perimysium

• epimysium

• fascicle

• endomysium

Tags

NGSS.HS-LS1-2

What is number 7?

• perimysium

• muscle body

• fascicle

• tendon

A cross bridge is the connection between which two proteins?

• actin/myosin

• actin/troponin

• myosin/tropomyosin

• actin/z-line

Thick filaments are made of ________ and thin filaments are made of ____________.

• myosin/actin

• actin/myosin

• calcium/sodium

• sodium/calcium

What is the function of the sarcoplasmic reticulum?

• stores phosphorus

• stores calcium

• stores sodium

• stores potassium

Tags

NGSS.HS-LS1-3