Muscular System

Question 0

Voluntary or striated muscles ( muscles moved consciously )

Answer 0

Skeletal muscles

Question 1

Functions

4

Answer 1

Movement
Posture
Generates heat
Muscles move

Question 2

Skeletal muscles

Answer 2

Attached like a tendon
Pulls never pushes body parts
Work in pairs
Contact and relaxes but tire quickly
Composed of fiber muscles

Question 3

Contract in the heart to pump blood through the body

Answer 3

Cardiac muscles

Question 4

Cardiac muscle

Answer 4

Involuntary do not tire easily

Striated

Question 5

Found in the digestive system ,blood vessels ,etc

Answer 5

Smooth muscles

Question 6

Smooth muscles

Answer 6

Contract slowly
Involuntary
Moves an organ

Question 7

Fibers

Answer 7

Very long
Muscle cells with nuclei
Composed of mayofibrils

Question 8

Mayofibrils

Answer 8

Composed of sarcomeres

Question 9

Sarcomeres

Answer 9

Shortens when muscles contracts

Lengthens when they relax

Question 10

Orbicularis oris

Answer 10

Moves lips

Question 11

Orbicularis oculi

Answer 11

Moves eyelids

Question 12

Frontails

Answer 12

Raises eyebrows

Question 13

Buccinator

Answer 13

Smiling , chewing , whistling , speaking

Question 14

Deltoid

Answer 14

Moves arm

Question 15

Gluteus Maximus

Answer 15

Moving leg

Question 16

Gastrocnemius

Answer 16

Pulls foot down ( running )

Question 17

Rectus abdominis

Answer 17

Posture
Pushes air
Flexes torso
( pulls upper body down )

Question 18

External oblique

Answer 18

Breathing , rotates , bends upper body

Question 19

Tibialis

Answer 19

Raises the foot

Question 20

Quadriceps

Answer 20

4 muscles ( moves leg-extends )

Question 21

Hamstring

Answer 21

3 muscles ( moves leg pulls it to the gluteus )

Question 22

Pectorals major

Answer 22

Pulls arm

Question 23

Walking requires about

Answer 23

200 muscles

Question 24

25% of muscles are in your

Answer 24

Foot

Question 25

Muscles make up about

Answer 25

Half you weight

Question 26

How many muscles are in the human body

Answer 26

650

Question 27

Masseter

Answer 27

Chewing

Question 28

Sternocliedomastoid

Answer 28

Turns head side to side

Question 29

Trapezius

Answer 29

Raises and lowers shoulders

Question 30

Latissimus Dorsi

Answer 30

Moves arm

Question 31

Biceps brachii

Answer 31

Flexes arm

Question 32

Triceps brachii

Answer 32

Extends arm