Lesson 3

Question 1

responsible for the movement of human body.

Answer 1

Muscular System

Question 2

Attached to the bone of skeletal system are about 600 system muscle that make rough half of a person body weight.

Answer 2

Muscular System

Question 3

Also found in the heart , digestive organs, and blood vessels.

Answer 3

Muscle tissue

Question 4

Serve to move substance through out the body

Answer 4

Muscular System

Question 5

have many functions, including movement, posture, circulation, respiration, digestion, and urination.

Answer 5

Muscular System

Question 6

Muscle does this to cause movement. This movement can be voluntary or involuntary.

Answer 6

Muscle Contract and Relax

Question 7

Helps with a wide range of movements, including lifting heavy weights, giving birth, and eye movements.

Answer 7

Muscles

Question 8

Help maintain posture, or the correct position of the body when sitting or standing

Answer 8

Skeletal muscles

Question 9

Contribute to good pasture

Answer 9

Strong, Flexible Muscle

Question 10

Smooth muscles in the arteries and veins help maintain blood pressure and circulation.

Answer 10

Circulation

Question 11

The diaphragm is the main muscle used for quiet breathing.

Answer 11

Respiration

Question 12

Muscle in the walls of the digestive tract organs move food and liquid through the system.

Answer 12

Digestion

Question 13

This also produce more movements that result in various facial expression, eye movements and respiration

Answer 13

Skeletal muscle

Question 14

Excitable or Irritable they have the ability to repond to a stimulus

Answer 14

Muscle

Question 15

They can shorten in length

Answer 15

Contractible

Question 16

They can extend or stretch

Answer 16

Extensible

Question 17

They can return to their original shape

Answer 17

Elastic

Question 18

Appearance: Striated, multi-nucleated (eccentric), fibers parallel. Voluntary Control

Answer 18

Skeletal

Question 19

Function: movement, heat, posture

Answer 19

Skeletal

Question 20

Location: skeleton

Answer 20

Skeletal

Question 21

Location: heart

Answer 21

Cardiac

Question 22

Function: pump blood continuously

Answer 22

Cardiac

Question 23

Appearnace: Striated, one central nucleus, involuntary control.

Answer 23

Cardiac

Question 24

muscles in the walls of the digestive tract organs move food and liquid through the system. This movement is called________________.

Answer 24

peristalsis

Question 25

Location: G.I. tract, uterus, eye, blood vessels

Answer 25

Visceral (smooth muscle)

Question 26

Function: Peristalsis, blood pressure, pupil size, erects hairs.

Answer 26

Visceral (Smooth muscle)

Question 27

Appearance: no striations, one central nucleus, involuntary control (2)

Answer 27

Visceral (smooth muscle)

Question 28

Composed of skeletal muscle tissue and also contains nervouse tissue, blood vessles and connective tissue

Answer 28

Skeletal Muscle

Question 29

Skeletal muscle in males are______%

Answer 29

40%

Question 30

Cardiac muscle in females body are___%

Answer 30

32%

Question 31

Skeletal muscle fibers (cell) are arranged into bundles called?

Answer 31

Fascicles

Question 32

Surrounds entire skeletal muscle and extends beyond its length

Answer 32

Deep Fascia

Question 33

Closely surrounds skeletal muscle, binds fascicles together

Answer 33

Epimysium

Question 34

Surrounds each fascile

Answer 34

Perimysium

Question 35

Surrounds each muscle fiber (cell)

Answer 35

Endomysium

Question 36

Many large muscle groups are encased in both a__________ and a____________.

Answer 36

superficial deep fascia

Question 37

_________________musculature of the trunk and extremities.

Answer 37

Fascia Covering

Question 38

Meaning: Vastus

Answer 38

Huge

Question 39

Meaning: maximus

Answer 39

Large

Question 40

Meaning: longus

Answer 40

Long

Question 41

Meaning: minimus

Answer 41

Small

Question 42

Meaning: brevis

Answer 42

Short

Question 43

Shape: traingular

Answer 43

deltiod

Question 44

Shape: like rhombus with equal and parallel sides

Answer 44

Rhomboid

Question 45

Shape: wide

Answer 45

Latissimus

Question 46

Shape: round

Answer 46

Teres

Question 47

Shape: like a trapezoid a four sided figure with two sides parallel

Answer 47

Trapezius

Question 48

Direction: straight

Answer 48

Rectus

Question 49

Direction: across

Answer 49

transverse

Question 50

Direction: diagonally

Answer 50

Oblique

Question 51

Direction: circular

Answer 51

Orbicularis

Question 52

Location: chest

Answer 52

Pectoralis

Question 53

Location: buttock or rump

Answer 53

Gluteus

Question 54

Location: arm

Answer 54

Brachii

Question 55

Location: above

Answer 55

Infra

Question 56

Location: below

Answer 56

Sub

Question 57

Location: under, beneath, lateral

Answer 57

Lateralis

Question 58

The attachment site that doesn’t move during contraction.

Answer 58

Origin

Question 59

Attachment site that does move when the muscle contracts.

Answer 59

Insertion

Question 60

is usually distal, or further away

Answer 60

Insertion

Question 61

Is proximal, or closer to the body, relative to the insertion.

Answer 61

Origin

Question 62

origin in sternum and clavicle, insertion on the mastoid process

Answer 62

Sternocleidomastoids

Question 63

origin in the brachium or arm, insertion on the radius

Answer 63

Brachioradialis

Question 64

Action: to abduct

Answer 64

Abductor

Question 65

Action: to adduct a structure

Answer 65

Adductor

Question 66

Action: to extend structure

Answer 66

Extensor

Question 67

Action: to lift or elevate a structure

Answer 67

Levator

Question 68

Action: a chewer

Answer 68

Masseter

Question 69

Refers to the movement of the muscle.

Answer 69

Muscle actions

Question 70

During this action the muscles shorten as the proximal and distal muscle attachments move closer together.

Answer 70

Concentric Action

Question 71

The chief flexor of the forearm.

Answer 71

Biceps

Question 72

Is an extensor muscle of the elbow joint.

Answer 72

Triceps

Question 73

used to show surprise disgust, anger ,fear and other emotions, they are important means of non verbal communications muscles of facial expression

Answer 73

Muscles

Question 74

include those that move the vertebral column, muscles that form the thoracic and abdominal walls, and those that cover the pelvic outlet

Answer 74

Muscle of trunk

Question 75

include that attach the scapula to the thorax and generally move the scapula and those attached to humerus to the scapula and generally move the arm and those are generally located in the arm or forearm that move forearm, wrist and hand

Answer 75

The muscle of the upper extremity

Question 76

include trapezius and serratus anterior. The pectoralis major, latissimus dorsi, deltoid and rotator cuff muscles to connect to humerus and move the arm

Answer 76

Muscle of shoulder and arm

Question 76

Are located along the humerus, which include the triceps brachii, biceps brachii, brachialis and brachioradialis.

Answer 76

Muscle of the forearm

Question 77

The muscles that move the thigh have some origin on their part of the pelvic girdle on the insertion on the femur.

Answer 77

Muscle of the lower extremity

Question 78

The largest muscle belong to this group.

Answer 78

Posterior Group

Question 79

which as group adduct the thigh the iliopsoas, an anterior muscle flexes the thigh.

Answer 79

Gluteal muscle

Question 80

Adduct the thigh

Answer 80

Muscle of the medial thigh

Question 81

Located in the thigh region

Answer 81

Muscle that move the leg

Question 82

group that straighten the leg at the knee.

Answer 82

Quadriceps femoris muscle

Question 83

the antagonist to the quadriceps femoris muscle group which are used to flex the leg at the knee

Answer 83

Hamstring

Question 84

dorsiflex the foot, is the antagonistic to the gastrocnemius and the soleus muscle, which plantar flex the foot

Answer 84

Tibialis anterior

Question 85

Surrounds an individual skeletal muscle, separating it from other muscles

Answer 85

Fascia

Question 86

Fascia may extend beyond the ends of the muscle to become a?

Answer 86

Tendon

Question 87

Fascia may connect muscle to muscle and is called an?

Answer 87

Aponeurosis

Question 88

A muscle cell

Answer 88

Fiber

Question 89

multinucleated and contain myoglobin. (Similar to hemoglobin)

Answer 89

Fibers

Question 90

contain the contractile fibers.

Answer 90

Myofibrils

Question 91

Is a protein that is found in your striated muscles which includes skeletal muscles (the muscles attached to your bones and tendons) and heart muscle

Answer 91

Myoglobin

Question 92

Its main function is to supply oxygen to the cells in your muscles.

Answer 92

Myoglobin

Question 93

Each of these filaments is made up of strands of protein

Answer 93

Myofibril

Question 94

Are boundless of protein filaments that contain the contractile elements of___________that drives contraction and relaxation

Answer 94

cardiomyocyte

Question 95

Myofibril composed of two types of myofilaments called

Answer 95

Thin and thick filaments

Question 96

is the tightening, shortening, or lengthening of muscles when you do some activity.

Answer 96

Muscle contraction

Question 97

It can happen when you hold or pick up something, or when you stretch or exercise with weights. Often followed by muscle relaxation when contracted muscles return to their normal state.

Answer 97

Muscle contraction

Question 98

filaments composed of protein myosin

Answer 98

Thick filaments

Question 99

filament composed of protein actin

Answer 99

Thin filament

Question 100

occurs when these filaments slide over one another in a series of repetitive events.

Answer 100

Muscle contraction

Question 101

a fibrous protein that forms (together with actin) the contractile filaments of muscle cells and is also involved in motion in other types of cells.

Answer 101

Myosin

Question 102

a motor protein most notably involved in muscle contraction.

Answer 102

Myosin

Question 103

a motor protein most notably involved in muscle contraction.

Answer 103

Myosin

Question 104

made mostly of myosin, have small “heads” that move.

Answer 104

Thick filaments

Question 105

primarily composed of myosin and actin respectively, work together within a muscle fiber to create contraction by sliding past each other through a process called the sliding filament model;

Answer 105

Thick and thin filaments

Question 106

when a muscle receives a signal, the myosin heads on the thick filaments attach to the actin on the thin filaments, pulling them inwards.

Answer 106

Sliding filaments model

Question 107

the functional unit of muscle

Answer 107

Sarcomere

Question 108

the source of energy for use and storage at the cellular level.

Answer 108

Adenosine Triphosphate (ATP)

Question 109

consisting of a nitrogenous base (adenine), a ribose sugar, and three serially bonded phosphate groups.

Answer 109

Adenosine Triphosphate (ATP)

Question 110

The muscle fiber that cause muscle contraction, it is made of myofibrils.

Answer 110

Sarcomere

Question 111

causing the sarcomere (the functional unit of muscle) to shorten and thus generating muscle contraction; this movement is powered by?

Answer 111

ATP energy