Unit 2 Support Systems- Muscular System

Question 1

heat production,

Answer 1

thermogenesis

Question 2

muscles shorten and pull on bones which produces movement

Answer 2

motion

Question 3

contract of muscles keeps us upright and maintains posture

Answer 3

posture

Question 4

surrounds our hollow organs and contractions propel substances through the, aid in their emptying, or helps control their volume

Answer 4

smooth muscle

Question 5

anterior aspect of the upper arm

Answer 5

biceps brachii

Question 6

posterior aspect of the upper arm

Answer 6

triceps brachii

Question 7

posterior aspect of the neck

Answer 7

trapezius

Question 8

covers the shoulder

Answer 8

deltoid

Question 9

internal muscle that separates the thoracic and abdominal cavities. attached to the back of the rib cage

Answer 9

diaphragm

Question 10

chest muscle

Answer 10

pectoralis major

Question 11

superficial muscle of the thoracic and lumbar region of the back

Answer 11

latissimus dorsi

Question 12

runs vertically along the abdomen

Answer 12

rectus abdominus

Question 13

posterior aspect of the lower leg

Answer 13

gastrocnemius

Question 14

posterior aspect of the thigh

Answer 14

hamstring muscle group

Question 15

anterior aspect of the thight

Answer 15

quadriceps msucle group

Question 16

buttocks region

Answer 16

gluteus maximus

Question 17

describe the characteristics of cardiac muscle

Answer 17

Appearance: striated Control: involuntary (no conscious control) Location: heart

Question 18

describe the characteristics of smooth muscle

Answer 18

Appearance: nonstriated Control: involuntary (no conscious control)Location: around hollow organs (bladder, uterus, etc)

Question 19

describe the characteristics of skeletal muscle

Answer 19

Appearance: striated Control: voluntary (conscious control) Location: attached to bones

Question 20

attach muscles to bones

Answer 20

tendon

Question 21

inflammation of the tendons due to overuse or age-related changes of the tendon

Answer 21

tendonitis

Question 22

a tearing of muscle or its attaching tendon

Answer 22

strain

Question 23

occurs when the muscle is stretched causing micro-tears in the muscle fibers

Answer 23

1st degree strains

Question 24

occurs when the muscle or tendon is partially torn

Answer 24

2nd degree strains

Question 25

occurs when the muscle is completely ruptured

Answer 25

3rd degree strains

Question 26

involuntary muscle contraction. also called “charlie horse” or “muscle cramp”

Answer 26

muscle spasm

Question 27

inherited disorder in which the muscles are missing a certain protein causing degeneration of muscle tissue

Answer 27

muscular dystrophy