Busy. Please wait.
Log in with Clever

show password
Forgot Password?

Don't have an account?  Sign up 
Sign up using Clever

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.
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

BTEC UNIT 1 Cardio

Cardiovascular system Structure

Name the structure of capillaries Walls one cell thick narrow large in number
Name the structure of a vein Walls contain thin layer of muscle Return blood to heart Pocket valves Positioned between skeletal muscle Positioned inside thoracic cavity
Name the structures of an artery Thick walls (middle layer of smooth muscle) to with stand high blood pressure. Takes blood away from the heart
What does vasoconstriction mean? Reducing flow of blood into capillaries by action of sympathetic nerves
What does vasodilatation mean? Increasing flow of blood into capillaries
Why does the body redistribute blood? . To ensure that oxygen and nutrients are directed to the tissues needed it and to control temperature
Why does more blood go to the heart, skin, and working muscles during exercise? Heart is a muscles and requires nutrients, working muscles require nutrients, skin requires energy to cool body and also to radiate heat away
What are pre-capillary sphincters? Rings of muscle at the entrance to a capillary bed, which can vasodilate or constrict the arteriole serving that capillary bed
Blood in the vena cave vein is low in which substance? Oxygen
What role do the semi lunar valves have in the heart? They prevent blood from flowing back into the ventricles
Which side of the heart pumps blood to the lungs? Right side
What are the heart chambers called that fill with blood from the vena cava atrium
Why does the left side of the heart have a thicker wall? Because it pumps blood to the body, needs more force
Why are there two sides to the heart It enables two pumps to function separately (to the lungs to collect oxygen and then to the body to deliver the oxygen and take waste products away)
Name the two bottom chambers of the heart Ventricles
Where are the semi lunar valves? The valves that prevent back flow into the heart where the blood leaves to heart into the pulmonary artery and aorta
Name the two valves that separate the atrium from the ventricles Bicuspid and tricuspid or atrioventricular valves
Created by: Tina Dean
Popular Sports sets




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