musular system Flashcards Preview

science > musular system > Flashcards

Flashcards in musular system Deck (11):
1

twizzler-shaped muscled

skeletal

2

spindle-shaped muscles

smooth

3

branched-off muscles

cardiac

4

characteristics of skeletal muscles

-provide quick movement to the limbs, but contract quickly, fatigue easily and lack the ability to maintain contraction for long periods
- attach to bones to provide voluntary muscle movement

5

characteristics of smooth muscles

-unattached to bones, act slowly, do not tire easily and can remain contracted for a long time
- not under conscious control so they are called involuntary muscles

6

characteristics of cardiac muscles

- requires a continuous supply of oxygen to function
- involuntary muscle

7

name body parts that skeletal muscles work in

- arms
- legs

8

name body parts that smooth muscles work in

- walls of blood vessels
- intestines
- gastrointestinal tract

9

what is the difference between voluntary and involuntary muscles?

a voluntary muscle is under your conscious control, meaning that when you want it to move or be still, you can make it do that, whereas a involuntary muscle is not under your conscious control, which means your body controls it without you giving it the order/action or without you telling it to

10

what is one problem of the muscular system?

fibromyalgia- chronic, widespread pain in a specific muscle site; numbness or tingling in arms and or legs; headaches; cause unknown; treat symptoms: pain relief, muscle reduction or muscle relaxers

11

describe and define 2 characteristics of muscles

excitability- ability to respond to a stimulus
extensibility- ability to be stretched