Busy. Please wait.
or

show password
Forgot Password?

Don't have an account?  Sign up 
or

Username is available taken
show password

why


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.
We do not share your email address with others. It is only used to allow you to reset your password. For details read 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.

Remove Ads
Don't know
Know
remaining cards
Save
0:01
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:
Retries:
restart all cards




share
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

12. Plants & Animals

Protection and Defense

TermDefinition
Lymphatic System a network of tissues and organs that help rid the body of toxins, waste and other unwanted materials.
Immune System a network of cells, tissues, and organs that work together to defend the body against attacks by “foreign” invaders. These are primarily microbes—tiny organisms such as bacteria, parasites, and fungi that can cause infections.
Integumentary System the organ system that protects the body from various kinds of damage, such as loss of water or abrasion from outside. The system comprises the skin and its appendages (including hair, scales, feathers, hooves, and nails).
Skeletal System performs vital functions — support, movement, protection, blood cell production, calcium storage and endocrine regulation — that enable us to survive. (consists of 206 bones, as well as a network of tendons, ligaments and cartilage that connects them)
Muscular System responsible for the movement of the human body.
Plant adaptations for protection/defense an intact and impenetrable barrier composed of bark and a waxy cuticle/hard shells, thorns (modified branches), and spines (modified leaves).
Animal defenses from illness & injury by constantly facing attacks from foreign invaders that can cause infection and disease, the body has a number of external and internal safeguards that prevent most dangerous invaders from entering and causing harm.
Homeostasis The tendency of the body to seek and maintain a condition of balance or equilibrium within its internal environment, even when faced with external changes.
Created by: cfhsbiology