Muscle Break Down

Question 1

Answer 1

Tendon

Question 2

Answer 2

Fascia

Question 3

Answer 3

Epimysium

Question 4

Answer 4

Fascicle

Question 5

Answer 5

Perimysium

Question 6

Answer 6

Endomysium

Question 7

Answer 7

Muscle Fiber

Question 8

Answer 8

Myofibril

Question 9

Answer 9

T-Tubules

Question 10

Answer 10

Sarcoplasmic Reticulum

Question 11

Answer 11

Mitochondria

Question 12

Answer 12

Thin Filament

Question 13

Answer 13

Thin Filament

Question 14

Answer 14

Z-Disc

Question 15

Answer 15

I-Band

Question 16

Answer 16

A-Band

Question 17

Answer 17

Sarcomere

Question 18

Answer 18

Sarcoplasm

Question 19

Answer 19

Sarcolemma

Question 20

Answer 20

Muscle Fiber

Question 21

Muscle Fibers are arranged into groups called .

Answer 21

Fascicles

Question 22

The muscle as a whole is covered by a connective tissue sheath called

Answer 22

Epimysieum

Question 23

Each fasicle is surrounded by a connective tissue sheath called

Answer 23

Perimysium

Question 24

Individual muscle fibers are surrounded by their extracellular matrix known as the

Answer 24

Endomysium

Question 25

Muscle fibers are wrapped by their plasma membrane known as the

Answer 25

Sarcolemma

Question 26

The muscle fiber’s cytoplasm

Answer 26

Sarcoplasm

Question 27

The sarcoplasm is filled with organells called

Answer 27

myofibrils

Question 28

protien subunits in myofibrils are called

Answer 28

Myofilaments

Question 29

The modified endoplasmic reticulum in muscle cells is called the

Answer 29

sarcoplasmic reticulum

Question 30

An inward extension of the sarcolemma is known as a

Answer 30

T-Tubule

Question 31

What are the two types of myofilaments involved in contraction?

Answer 31

thick and thinfilaments

Question 32

The arrangment of the thick and thin filamnets within the myofibrils is what gives skeletal muscle its characteristic appearance

Answer 32

striated

Question 33

The dark regions of the striations

Answer 33

A bands: because this is where the thick and thin filaments overlap

Question 34

The light regions of the striations

Answer 34

I Bands; because they only contain thin filaments

Question 35

Dark line bisecting the I band

Answer 35

Z disc

Question 36

Defined as the space from one Z disc to the next Z disc

Answer 36

Sarcomere

Question 37

Fundamental unit of contraction

Answer 37

Sarcomere

Question 38

Full Break Down

Answer 38

Muscle

Fascicle

Muscle Fiber

Myofibrils

Myofilaments