Circulation Stem in Y6W Tuesday, 5th June · by herringthorpejuniors · in News & Events. · Today in Y6W , we have been learning about how the heart pumps blood around our circulatory system and the difference between oxygenated and de-oxygenated blood. Share this:Click to share on Twitter (Opens in new window)Click to share on WhatsApp (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Pinterest (Opens in new window)Like this:Like Loading...