Save
Busy. Please wait.
Log in with Clever
or
show password
Forgot Password?
Don't have an account?  Sign up 
Sign up using Clever
or
Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account. Your email address is only used to allow you to reset your password. See our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't Know
Remaining cards (0)
Know
0:00
edit
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

Muscular system

QuestionAnswer
Purpose of the muscular system Movement
Number of muscles in the body about 600
Do they work singular or in pairs In pairs
3 types of muscle tissue skeletal, smooth, cardiac
Skeletal structure Striated or banded
Skeletal function Cause movement
How fast do skeletal muscles react and tire React quickly,but tire easily
Skeletal involuntary or voluntary Voluntary
Smooth structure Not banded
Smooth function Control breathing, blood pressure, and movements in the digestive system
How fast do smooth muscles react and tire React slowly and tire slowly
Smooth voluntary or involuntary Involuntary
Cardiac structure Branches in many directions weave a complex mesh
Cardiac function heartbeat
How fast do cardiac muscles react and tire Do not tire
Cardiac voluntary or involuntary Involuntary
How much does a muscle contract All or nothing
What tells the muscles to contract Brain and spinal cord
How does the muscular system work By contracting and relaxing
Muscle fiber Contains thousands of tiny strands called microfibers
Actin and myosin Special proteins that help muscles contrat
What percent of human body weight is muscle 40%
4 groups of fibers Fast twitch fiber Slow twitch fiber Red fiber White fiber
Sliding Filament theory Suggests how a muscle contracts
Flexor A muscle that serves to flex or bend part of the body
Extensor A muscle that serves to extend or straighten a part of the body
Extension Lengthening of muscle fibers
Contraction Shortening of muscle fibers
How do muscles contract By response signals in the brain carried by motor nerves
Do muscles push No
How do you care for the muscular system Healthy diet Exercise Stretching Hydration
Actin Thin blue filaments that help create muscle contraction
Myosin Thick red filaments that help create muscle contraction
Tendonitis Inflammation, irritation, and swelling of a tendon
Spasms Involuntary contractions of one or more muscles
Muscular dystrophy A genetic disorder that weakens the muscles that help the body move
Muscle atrophy When muscles waste away
Created by: 100003300216617
Popular Biology sets

 

 



Voices

Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!
"Know" box contains:
Time elapsed:
Retries:
restart all cards