muscular system

Question 1

list the 3 muscle types

Answer 1

skeletal, smooth or visceral, cardiac

Question 2

muscles make up ___ to ___ of our body weight

Answer 2

40%, 50%

Question 3

2 types of involuntary muscle

Answer 3

smooth & cardiac

Question 4

___ bands represent actin

Answer 4

I

Question 5

___ bands represent myosin

Answer 5

A

Question 6

muscle cell

Answer 6

sarcomere

Question 7

2 places to find smooth muscle

Answer 7

intestines & bladder

Question 8

motor neuron + muscle cell innervates

Answer 8

motor unit

Question 9

4 properties/stages of contraction

Answer 9

excitability, conductivity, contractility, elasticity

Question 10

during resting potential, there is a ___ charge outside

Answer 10

positive

Question 11

a sarcomere goes ___ to ___

Answer 11

z line, z line

Question 12

___ is the technical term for chewing

Answer 12

mastication

Question 13

muscles can be named according to their ..

Answer 13

action, shape, origin & insertion, location, direction of their fibers

Question 14

more fixed attachment of a muscle

Answer 14

origin

Question 15

movable attachment of a muscle

Answer 15

insertion

Question 16

attach a muscle to a bone

Answer 16

tendons

Question 17

a wide flat tendon

Answer 17

aponeurosis

Question 18

muscles that bend a limb at a joint

Answer 18

flexors

Question 19

muscles that straighten a limb

Answer 19

extensors

Question 20

move a limb away from the midline

Answer 20

abductors

Question 21

bring a limb toward the midline

Answer 21

adductors

Question 22

revolve a limb around an axis

Answer 22

rotators

Question 23

muscles that raise the foot

Answer 23

dorsiflexors

Question 24

muscles that lower the foot

Answer 24

plantar flexors

Question 25

muscles that turn the palm upward

Answer 25

supinators

Question 26

muscles that turn the palm downward

Answer 26

pronators

Question 27

raise a part of the body

Answer 27

levators

Question 28

lower a part of the body

Answer 28

depressors

Question 29

muscles that bring about an action

Answer 29

prime movers

Question 30

assists the prime movers

Answer 30

synergists