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.

By signing up, I agree to StudyStack's Terms of Service and Privacy Policy.

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.

Remove ads
Don't know
remaining cards
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

"Know" box contains:
Time elapsed:
restart all cards

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

Science ch 4

lesson 2

what is the role of blood vessels carry blood away from the heart, exchanges wastes and materials, and carry blood back to the heart.
Arteries carry blood to body, branch into smaller arteries
Coronary Arteries carry blood to the heart itself from the aorta, and to the organs
Epithaical Tissue inner layer, enables blood flow
Smooth Tissue middle layer, relaxes and contracrts allowing arteries to widen and narrow
Connnective Tissue outer layer, allows arteries to withstand the force of pumping blood
What rus through the tissue of the body blood vessels
Capilaries wastes and materials are exchaned,pass easily from the blood, through the capilary walls, and into the body cells, only has epithelial cells, one type is diffusion
Diffusion molecules move from and area of higher concentration to an area of lower concentration
Veins blood enters here and goes back to the heart, thinner than arteries
What causes blood pressure the force with which ventricles contract
Blood Pressure force exerted by blood against the walls of blood vessles
Created by: Ella!