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

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
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