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

Biology 2 - C05 - 06

🧬📗1️⃣ Module 5 - Blood, Blood Vessels & Human Heartbeat - SET 6

QuestionAnswer
Plasma Liquid portion of blood; 55% of blood volume.
Red blood cells Carry oxygen via hemoglobin; transport CO2.
White blood cells Defend body against pathogens.
Platelets Cell fragments involved in blood clotting.
Hemoglobin Protein in RBCs that binds oxygen.
Arteries Carry blood away from heart; thick muscular walls.
Veins Return blood to heart; contain valves.
Capillaries Thin-walled vessels for gas and nutrient exchange.
Aorta Largest artery; carries blood from left ventricle to body.
Vena cavae Largest veins; return blood to right atrium.
Pulmonary arteries Carry deoxygenated blood from heart to lungs.
Pulmonary veins Carry oxygenated blood from lungs to heart.
Cardiac cycle Sequence of systole and diastole during heartbeat.
Systole Heart contraction; blood pumped out; “lub” sound.
Diastole Heart relaxation; chambers fill; “dub” sound.
AV valves Tricuspid and mitral valves; prevent backflow into atria.
Semilunar valves Aortic and pulmonary valves; prevent backflow into ventricles.
Blood pressure Force of blood against vessel walls.
Gas exchange (lungs) O2 enters blood; CO2 exits blood in alveoli.
Circulatory efficiency Determined by heart structure and vessel organization.
Created by: francisslavin002
 

 



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