Chapter 9

Question 1

Skeletal Muscle

Answer 1

attach to bone
voluntary
an organ

Question 2

Skeletal Muscle consist of:

Answer 2

skeletal muscle tissue
nervous tissue- impulse
blood- oxygen/nutrients
connective tissue

Question 3

Fascia

Answer 3

sheet of dense C.T that encloses muscle

Question 4

Tendon

Answer 4

cord of dense C.T that connects muscle to bone

Question 5

Aponeuroses

Answer 5

sheet of C.T that connects muscle to muscle and/or bone

Question 6

Epimysium

Answer 6

surrounds whole muscle

Question 7

Perimysium

Answer 7

surrounds fascicles within a muscle (fascicles- bundles of muscle fibers)

Question 8

Endomysium

Answer 8

surrounds muscle fibers (cells)

Question 9

Sarcolemma

Answer 9

cell membrane

Question 10

Sarcoplasm

Answer 10

cytoplasm

Question 11

Myofibrils

Answer 11

thread like filaments in muscles

Question 12

Sarcomeres

Answer 12

unit of muscles

Question 13

Sarcoplasmic Reticulum

Answer 13

membranous network of channels and tubules in a muscle fiber (contains calcium ions)

Question 14

Transverse Tubule

Answer 14

transport calcium ions

Question 15

Think Filaments (myofibrils)

Answer 15

composed of myosin protein

Question 16

Thin Filaments (myofibrils)

Answer 16

composed of actin protein

associated with troponin and tropomyosin

Question 17

I Band

Answer 17

light band

thin actin filaments

Question 18

A Band

Answer 18

dark band

think myosin filaments

Question 19

H zone

Answer 19

center of A band

thick myosin filaments

Question 20

Z line

Answer 20

anchors

center of I band

Question 21

M line

Answer 21

anchors think filaments