Chapter 9

Question 1

Where is Skeletal Muscle Located

Answer 1

Attached to bones or (some facial Muscle) skin

Question 2

What is the cell shape of skeletal muscle

Answer 2

Single, long,cylindrical

Question 3

What is the appearance of the skeletal muscle

Answer 3

Striated and Multinucleate

Question 4

What are the connective tissue components of skeletal muscle

Answer 4

Epimysium,perimysium and endomysium

Question 5

Where is cardiac muscle located?

Answer 5

Walls of the heart

Question 6

What is the cell shape of cardiac muscle?

Answer 6

Branching chains of cells

Question 7

what is the appearance of cardiac muscle

Answer 7

binucleate or uninucleate and striations

Question 8

What are the connective tissue components of cardiac muscle?

Answer 8

Endomysium attached to the fibrous skeleton of the heart

Question 9

What is the speed of contraction in skeltal muscle?

Answer 9

Slow to fast

Question 10

What is the speed of contraction in the cardiac muscle?

Answer 10

Slow

Question 11

What is the speed of contraction in Smooth muscle

Answer 11

Very slow

Question 12

What is the regulation of contraction in skeletal muscle?

Answer 12

Voluntary via axon terminals of the somactic nervous system

Question 13

What is the regulation of contraction in the cardiac muscle

Answer 13

Involuntary; intrinsic system regulation, and also autonomic nervous system controls hormones ;stretch

Question 14

What is the regulation of contraction in smooth muscle?

Answer 14

Involuntary; autonomic nerves; hormones;, local chemicals; stretch

Question 15

What connective tissue sheaths is located on the outer side of the muscle?

Answer 15

Epimysium

Question 16

What connective tissue sheath is located around each fascicle?

Answer 16

Perimysium wrapping

Question 17

Within each skeletal muscle the muscle fibers are grouped into________?

Answer 17

Fascicles

Question 18

What connective tissue surrounds individual muscle fibers?

Answer 18

Endomysium

Question 19

What 4 important functions do the muscle have for the body?

Answer 19

Producing movement
Maintaing Posture and Body position
Stabilizing joints 
Generating heat (body temp.)

Question 20

What is called when a body part is richly supplied with blood and blood vessels?

Answer 20

Vascular

Question 21

What does mean when a part of the body has no blood supply?

Answer 21

Avascular

Question 22

When there is a nerve supply to a body part it is called what?

Answer 22

innervation

Question 23

When there is no nerve supply to a body part…is it called what?

Answer 23

non-innervated

Question 24

the Hzone is where ?

Answer 24

the 3 lines are in the Aband

“the lighter section in the Aband” ~scientifically speaking

Question 25

the M Line are always located?

Answer 25

At the end of the sarcomere, to the left or right of the I Band

Question 26

The Zdics is what? | describe

Answer 26

the zigg-zag line the of Iband

Question 27

I band what ?

Answer 27

Where the lighter region is on the myfibril. Where the thin filament form the Zdisc

Question 28

Thick filament contain what?

Answer 28

Myosin (red) extended the entire length of the Aband

Question 29

Where are the thick filaments connected

Answer 29

inthe middle of the sarcomere at the M line

Question 30

Thin filaments contain what?

Answer 30

actin (blue) and extend across the I band and partway to the A band