Muscular

Question 1

Connective tissue sheath

Answer 1

Epimysium

Question 2

Visible bundles

Answer 2

Muscle fascicles

Question 3

separates fascicles from each other

Answer 3

Perimysium

Question 4

loose connective tissue that surrounds each muscle fibers

Answer 4

Endomysium

Question 5

cell membrane of the muscle fibers

Answer 5

sarcolemma

Question 6

Cytoplasm of muscle fiber

Answer 6

Sarcoplasm

Question 7

bundles of protein filaments on each muscle fibers

Answer 7

myofibrils

Question 8

basic structural and functional unit of skeletal system

Answer 8

sarcomeres

Question 9

Stimulate muscle to contract

Answer 9

motor neurons

Question 10

General term of neuromuscular

Answer 10

synapse

Question 11

Shorten forcefully of contract

Answer 11

Contractility

Question 12

respond to a stimulus

Answer 12

Excitability

Question 13

Stretched to their normal resting length and beyond to a limited degree

Answer 13

Extensibility

Question 14

to recoil after they have been stretched

Answer 14

Elasticity

Question 15

can be seen in the muscle under the microscope

Answer 15

transverse bands

Question 16

Epimysium is also called

Answer 16

muscular fascia

Question 17

highly organized smooth endoplasmic reticulum

Answer 17

sarcoplasmic reticulum

Question 18

light staining band of sarcomere

Answer 18

I band

Question 19

dark staining band of sarcomere

Answer 19

A band

Question 20

is the center of each A band

Answer 20

H zone

Question 21

Also called thin filaments

Answer 21

Actin myofilaments

Question 22

also called thick filaments

Answer 22

myosin myofilaments

Question 23

the inside of the cell membrane is

Answer 23

negatively charged

Question 24

the outside of the cell membrane is

Answer 24

positively charged

Question 25

motor neurons

Answer 25

specialized nerve cells that stimulates muscles to contract

Question 26

space between the presynaptic terminal and the muscle fiber membrane

Answer 26

synaptic cleft

Question 27

the axon terminal

Answer 27

presynaptic terminal

Question 28

postsynaptic membrane

Answer 28

sarcolemma

Question 29

sarcomeres shorten

Answer 29

contraction

Question 30

sarcomeres lengthen

Answer 30

relaxation

Question 31

contraction of muscle fiber in response to a stimulus

Answer 31

muscle twitch

Question 32

time between the application of a stimulus and the beginning of contraction

Answer 32

lag phase

Question 33

time during which the muscle contracts

Answer 33

contraction phase

Question 34

muscle relaxes

Answer 34

relaxation phase

Question 35

individual muscle contract more forcefully

Answer 35

summation

Question 36

sustained contraction that occurs when the frequency increases

Answer 36

tetanus

Question 37

force of contraction of individual muscle fibers is increased by rapidly stimulating them

Answer 37

summation

Question 38

the number of muscle fibers contracting is increased by increasing the number of motor units stimulated

Answer 38

recruitment

Question 39

contains I myosin as the predominant or even exclusive type

Answer 39

slow-twitch muscle

Question 40

works aerobically

Answer 40

slow-twitch fiber

Question 41

suited working anaerobically

Answer 41

fast-twitch fiber

Question 42

contract slowly

Answer 42

slow-twitch

Question 43

contract quickly

Answer 43

fast twitch

Question 44

required O2 to breakdown glucose

Answer 44

Aerobic respiration

Question 45

does not require O2

Answer 45

Anaerobic respiration

Question 46

temporary state of reduced work capacity

Answer 46

fatigue

Question 47

most common type of fatigue,involves the central nervous system rather than the muscle themselves

Answer 47

psychological fatigue

Question 48

occurs when there is too little ATP to bind myosin myofilaments

Answer 48

physiological contracture

Question 49

is the constant tension produced by body muscles over long period of time

Answer 49

muscle tone

Question 50

Increase the tension in the muscle without changing it's length

Answer 50

Isometric contractions

Question 51

have constant amount of tension

Answer 51

isotonic