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
Dakota (given name) was in the top 100 most popular boy names from 1993 to 2001, reaching its peak at number 56 in 1995. Since 2010, it is slightly more frequently given to girls. As of 2016, it was the 233rd most common girl name and the 344th most common boy name. Dakota (given name) Dakota is a unisex given name derived from the name of an indigenous Native American tribe: Dakota people or from the name of two states in the United States: North Dakota and South Dakota which are also derived from the Dakota people local to that area. The name