Muscular System

Question 1

smooth muscle tissue

Answer 1

non-striated, involuntary, found in internal organs

Question 2

Endomyisum

Answer 2

covers an individual muscle fiber

Question 3

Epimysium

Answer 3

Outer membrane found around the muscle

Question 4

Excitability

Answer 4

respond to a stimulus from a neuron or hormone

Question 5

Origin

Answer 5

attachment of the tendon to the more stationary bone

Question 6

Shin splints involve which muslce?

Answer 6

tibialis anterior

Question 7

Blocks the active site on an actin filament

Answer 7

troponin & tropomyosin

Question 8

Contactability

Answer 8

can shorten when stimulated

Question 9

Ca+ (calcium)

Answer 9

Comes in from a nerve cell to remove molecules blocking active sites

Question 10

major task of the muscular system

Answer 10

posture, heat production, movement

Question 11

Tendon

Answer 11

attaches muscle to bone

Question 12

Rotator cuff muscles

Answer 12

Supraspinatus, infraspinatus, teres minor, subscapularis

Question 13

Muscle

Answer 13

made of many bundles of fibers

Question 14

Action of gastrocnemius

Answer 14

plantarflexion of the foot (point toe)

Question 15

Actin

Answer 15

Myofilaments (thin) that is essential to muscle contraction

Question 16

Extensibility

Answer 16

can lengthened or stretch past original shape

Question 17

Epimysium

Answer 17

Outer membrane found around the whole muscle

Question 18

4 characteristics of muscle tissue

Answer 18

excitability, contactability, extensibility, elasticity

Question 19

Lack of ____, causes you to get out of breath and muscle burning during a workout.

Answer 19

oxygen

Question 20

Separates one sarcomere from the next

Answer 20

Z-line

Question 21

ATP

Answer 21

Prepares a myosin head for its power stroke

Question 22

Elasticity

Answer 22

ability to recoil or bounce back to original shape

Question 24

Oxygen

Answer 24

Essential to making plenty of ATP in cellular respiration

Question 25

skeletal muscle tissue

Answer 25

striated, voluntary, found in skeletal muscles

Question 26

Insertion

Answer 26

attachment of the tendon to the more moveable bone

Question 27

Perimysium

Answer 27

covers a fascicle

Question 28

cardiac muscle tissue

Answer 28

striated, involuntary, found in the heart