Advertisement Upgrade to remove ads

These flashcards are on chapter 3 vocab. in prentice hall science explorer human biology and health. They are about Circulation. Creds to Ms.Hancock, the best science teacher ever!!!! I hope they can be of use to you!! :) :D :P -WhitneyThomas586


carries blood from the left ventricle to the body.


a flap of tissue that prevents blood from flowing backward.


materials are exchanged between blood and the body's cells in this blood vessel


cell fragments that play an important part in forming blood clots

Heart Attack

occurs when blood flow to part of the heart muscle is blocked


caused by alternating expansion and relaxation of the artery wall


lower chambers of the heart


sends out signals that make the heart muscle contract

Blood Pressure

is caused by the force with which the ventricles contract

Lymph Node

the filter lymph, trapping bacteria and other disease-fighting microrganisms in the fluid

Red Blood Cell

take up oxygen in the lungs and deliver it to cells elsewhere in the body

Cardiovascular System

Consists of the heart, blood vessels, and blood


a disorder in which a person's blood pressure is consistently higher than normal: also called high blood pressure

Lymphatic System

a network of veinlike vessels that return fluid that leaks out of blood vessels to blood stream


the liquid part of the blood


the process by which molecules move from an area of higher concentration to an area of lower concentration


a blood vessel that carries blood away from the heart


the fluid that the lymphatic system collects and returns to the bloodstream


a blood vessel that carries blood back to the heart


an iron-containing protein that binds chemically to oxygen molecules; makes up most of red blood cells

White Blood Cell

A blood cell that fights disease

Coronary Artery

an artery that supplies blood to the heart itself


a condition in which an artery wall thickens as a result of the buildup of fatty materials.


a hollow, muscular organ that pumps blood throughout the body.

Flickr Creative Commons Images

Some images used in this set are licensed under the Creative Commons through Click to see the original works with their full license.

Please allow access to your computer’s microphone to use Voice Recording.

Having trouble? Click here for help.

We can’t access your microphone!

Click the icon above to update your browser permissions above and try again


Reload the page to try again!


Press Cmd-0 to reset your zoom

Press Ctrl-0 to reset your zoom

It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.

Please upgrade Flash or install Chrome
to use Voice Recording.

For more help, see our troubleshooting page.

Your microphone is muted

For help fixing this issue, see this FAQ.

Star this term

You can study starred terms together

NEW! Voice Recording