https://www.youtube.com/watch?v=9fxm85Fy4sQ

Watch this video. It does a good job of explaining how the circulatory and respiratory system work together.

It's an older video and he isn't as fast paced in this one. Plus his drawings are better than mine.

Circulatory & Respiratory Systems - CrashCourse Biology #27 Hank takes us on a trip around the body - we follow the circulatory and respiratory systems as they deliver oxygen and remove carbon dioxide from cells, and ...youtube.com DressAfford latest chic prom wears with lace