Save
Upgrade to remove ads
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

Circulatory system

TermDefinition
Blood Fluid connective tissue of the circulatory system; consists of blood cells and plasma.
Heart Multi-chambered, muscular organ that pumps blood throughout the body.
Capillary Microscopic blood vessel that carries blood between an artery and a vein, allowing the exchange of substances between the blood and interstitial fluid.
Artery Vessel that carries blood away form the heart to other parts of the body.
Vein Vessel that returns blood to the heart.
lymph Fluid similar to interstitial fluid that circulates in the lymphatic system.
pulmonary circuit Circuit of blood flow that carries blood between the heart and lungs.
Systemic circuit Circuit of blood flow that carries blood between the heart and the rest of the body.
Aorta Artery that carries blood directly from the heart to the rest of the body.
Atrium Heart chamber that receives blood returning to the heart from the other parts of the body.
Ventricle Heart chamber that pumps blood out of the heart.
Valve Flap of tissue in the heart that prevents blood from flowing in the wrong direction.
Pacemaker Specific region of the heart that sets the rate at which the heart contracts.
AV node ( atrioventricular node ) region of the heart between the right atrium and the right ventricle from which electrical impulses spread to the ventricles during a heartbeat.
Systolic pressure First number of a blood pressure reading; measures the pressure on artery walls when heart ventricles contract.
Diastolic pressure Second number of a blood pressure reading; measurement of the pressure on artery walls when the heart is relaxed.
Plasma Liquid portion of blood made up of water, dissolved salts, proteins, and other substances.
Red blood cells Blood cell containing hemoglobin, which transports oxygen; also called an erythrocyte.
Hemoglobin Iron-containing protein in red blood cells that carries oxygen for delivery to cells.
White blood cells Blood cell that functions in defending the body against infections and cancer cells; also called a leukocyte.
Platelet Fragment of a blood cell originating in the bone marrow that is involved in blood clotting.
Created by: 2016pollard
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