Question

What are the four things that the circulatory system carries around the body to help out your body's cells?

Answer 1

I searched Google under the key word "<I>blood</I>" to get these possible sources:

http://en.wikipedia.org/wiki/Blood
http://www.fi.edu/learn/heart/blood/blood.html
http://kidshealth.org/parent/general/body_basics/blood.html
http://health.howstuffworks.com/blood.htm

In the future, you can find the information you desire more quickly, if you use appropriate key words to do your own search. Also see http://hanlib.sou.edu/searchtools/.

I hope this helps. Thanks for asking.