A&p Chapter 9

Front 1

what are the 3 types of muscle tissue?

Back 1

skeletal
cardiac
smooth

Front 2

the types of muscle tissue differ in _________, _________, __________, and _____________

Back 2

structure, location, function, and means of activation

Front 3

skeletal and smooth muscle cells are elongated and are called _______________

Back 3

muscle fibers

Front 4

What are the 2 kinds of myofilaments muscle contraction depend on?

Back 4

actin and myosin

Front 5

muscle plasma membrane

Back 5

sarcolemma

Front 6

cytoplasm of a muscle cell

Back 6

sacroplasm

Front 7

myo, mys, and sarco all refer to muscle

Back 7

prefixes

Front 8

packaged in skeletal muscles that attach to and cover the bony skeleton

Back 8

skeletal muscle tissue

Front 9

give 4 facts about skeletal muscle tissue

Back 9

1. has obvious stripes called striations
2. is controlled voluntarily
3. contracts rapidly but tires easily
4. responsible for overall body motility

Front 10

___________ occurs only in the heart

Back 10

cardiac muscle tissue

Front 11

give 3 facts about cardiac muscle tissue

Back 11

1. striated like skeletal muscle but is not voluntary
2. contracts at a fairly steady rate set by the heart's pacemaker
3. neural controls allows the heart to respond to changes in bodily needs

Front 12

found in the walls of hollow visceral organs, such as the stomach, urinary bladder, and respiratory passages

Back 12

smooth muscle tissue

Front 13

give 2 facts about smooth muscle tissue

Back 13

1. forces food and other substances through internal body channels
2. not striated and is involuntary

Front 14

_____________ are responsible for all locomotion

Back 14

skeletal muscles

Front 15

____________ is responsible for coursing the blood through the body

Back 15

cardiac muscles

Front 16

____________ helps maintain blood pressure, and squeezes or propels substances (i.e., ,food, feces) through organs

Back 16

smooth muscle

Front 17

muscles also __________, ___________, and ____________

Back 17

maintain posture, stabilize joints, and generate heat

Front 18

each muscle is a discrete organ composed of _____________, ____________, _____________, and ________________

Back 18

muscle tissue, blood vessels, nerve fibers, and connective tissue

Front 19

the three connective tissue sheaths are:

Back 19

1. endomysium
2. perimysium
3. epimysium

Front 20

fine sheath of connective tissue composed of reticular fibers surrounding each muscle fiber

Back 20

endomysium

Front 21

fibrous connective tissue that surrounds groups of muscle fibers called fascicles

Back 21

perimysium

Front 22

an overcoat of dense regular connective tissue that surrounds the entire muscle

Back 22

epimysium

Front 23

each muscles is served by _________, ________, and ____________

Back 23

one nerve, an artery, and one or more veins

Front 24

each skeletal muscle fiber is supplied with a nerve ending that _____________________

Back 24

controls contraction

Front 25

require continuous delivery of oxygen and nutrients via arteries

Back 25

contracting fibers

Front 26

_________ must be removed via veins

Back 26

wastes

Front 27

most skeletal muscles ____________ and are attached to he bone in at least two places

Back 27

span joints

Front 28

when muscles contract the movable bone, the muscle's insertion moves toward the _______________, the muscle's origin

Back 28

immovable bone

Front 29

muscles attach __________ and _______

Back 29

directly and indirectly

Front 30

epimysium of the muscle is fused to the perosteum of a bone

Back 30

directly attached

Front 31

connective tissue wrappings extend beyond the muscle as a tendon or aponeurosis

Back 31

indirectly attached

Front 32

each fiber is a long, cylindrical cell with multiple nuclei just beneath the ___________

Back 32

sarcolemma

Front 33

densely packed, rodlike contractile elements

Back 33

myofibrils

Front 34

myofibrils make up most of the ___________

Back 34

muscle volume

Front 35

the arrangment of myofibrils within a fiber is such that a perfectly aligned repeating series of _________________________________ is evident

Back 35

dark A bands and light I bands

Front 36

smallest contractile unit of a muscle

Back 36

sarcomeres

Front 37

sarcomeres is the region of a myofibril between two successive _________

Back 37

Z discs

Front 38

carcomeres are composed of myofilaments made up of __________________

Back 38

contractile protiens

Front 39

what are the 2 types of myofilaments

Back 39

thick and thin

Front 40

extend the entire length of an A band

Back 40

thick filaments

Front 41

extend across the I band and partway into the A band

Back 41

thin filaments

Front 42

coin-shaped sheet of proteins (connectins) that anchors the thin filaments and connects myofibrils to one another

Back 42

z-disc

Front 43

thick filaments are composed of the protein _______

Back 43

myosin

Front 44

thiin flaments are chiefly composed of the protein ____________

Back 44

actin