Heart depending on what is counted as a chamber. The atrium and ventricle are sometimes considered "true chambers", while the others are considered "accessory chambers". Primitive fish have a four-chambered heart, but the chambers are arranged sequentially so that this primitive heart is quite unlike the four-chambered hearts of mammals and birds. The first chamber is the sinus venosus, which collects deoxygenated blood from the body through the hepatic and cardinal veins. From here, blood flows into the atrium and then to the powerful muscular ventricle where the main pumping action will take place. The fourth and final chamber is the
Which Way Is East Which Way Is East Which Way is East is a double CD album of duets by jazz saxophonist Charles Lloyd and percussionist Billy Higgins recorded in January 2001 and released in 2004 on the ECM label. The album contains the last recordings by Higgins before he died in May 2001. The Allmusic review by Thom Jurek awarded the album 4½ stars stating "there is crackling energy, humor, warmth, and a complete commitment to expressing what may indeed be beyond real expression. Not since John Coltrane and Rashied Ali's "Interstellar Space" — though they sound nothing alike — has there been