Busy. Please wait.

show password
Forgot Password?

Don't have an account?  Sign up 

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.
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.
Didn't know it?
click below
Knew it?
click below
Don't know
Remaining cards (0)
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


important word science

Alveoli any of the many tiny air sacs of the lungs which allow for rapid gaseous exchange
Nephron are blood filtration, osmoregulation, and waste elimination by urine formation
Deoxygenated remove oxygen from
Oxygenated supplied, treated, or enriched with oxygen.
Valve valve is a device that controls the flow of a liquid or gas
Septum the cartilage in the nose that separates the nostrils.
artery muscular-walled tubes forming part of the circulation system by which blood
Vein part of the blood circulation system of the body, carrying in most cases oxygen-depleted blood toward the hear
capillary the fine branching blood vessels that form a network between the arterioles
Ventricle each of the two main chambers of the heart, left and right.
atrium atrium is the upper chamber in which blood enters the heart
pulse pulse represents the tactile arterial palpation of the heartbeat
lymphocyte a form of small leukocyte
antibody used by the immune system to neutralize pathogens such as pathogenic bacteria
plasma plasma is a yellowish liquid component of blood that normally holds
Immunity (passive/active) provided when a person is given antibodies to a disease rather than producing them through his or her own immune system.
platelets small colorless disk-shaped cell fragment without a nucleus
antigen antigens are substances specifically bound by antibodies
aggluttination antigens are substances specifically bound by antibodies
pathagen a bacterium, virus, or other microorganism that can cause disease.
vena cava large vein carrying deoxygenated blood into the heart
aorta main artery of the body, supplying oxygenated blood to the circulatory system.
Created by: glendy



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:
restart all cards