Busy. Please wait.

Forgot Password?

Don't have an account?  Sign up 

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.

By signing up, I agree to StudyStack's Terms of Service and Privacy Policy.

Already a StudyStack user? Log In

Reset Password
Enter the email address associated with your account, and we'll email you a link to reset your password.

Remove ads
Don't know (0)
Know (0)
remaining cards (0)
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

"Know" box contains:
Time elapsed:
restart all cards

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

les-science 4th gr

Body Systmes

Define Voluntary Muscles Muscles that you control
Define Involuntary Muscles Muscles that you Don't control
Define Neuron a Nerve cell
Define Pathogens Organisms that cause infections Disease
Define Infectious Disease A Disease that can pass from one organisms to another.
Define Immune System The organs in your body that defend against disease.
Define Vaccine An injection of dead or weakened pathagens that cause you to be immune disease.
What are the jobs of the skeletal system Protect organs, Support the skeleton, helps you move,
What are the parts of the circulatory system? Heart, blood vessels, and blood
How are viruses and bacteria different? Viruses are about 100 times smaller than bacteria. Viruses are not made of cells and have no nucleus.
How does oxygen get from the lungs to the body cells?
What is the job of the circulatory system? move blood thru the body
Which digestive organ absorbs liquid and stores solid waste? large intestine
Are the muscles of the stomach voluntary or involuntary? How do you know? Involuntary - you don't tell your stomach to digest your food.
What are the organs of the central nervous system? Brain and Spinal cord
What are some of your body's defenses against invading microgranisms? Cells, Tissues, Organs, chemicals
What are antibodies? A chemical that the body makes to stop pathogens from infecting other cells/
How does a vaccine protect against disease? The vaccine signals your immune system to make antibodies to a certain pathogen.
Created by: wvmomof3