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
Juniper (given name) in Welsh is a combination of the word "gwen" (mod. "gwyn") which means "white" or "fair" and "hwyfar" which means a "spirit" or "fairy". This is also the origin of Jennifer, another name that sounds similar to Juniper. Because the Latin "Juniperus" family of names are the same or very similar-sounding to the Welsh Guinevere family of names, it is very difficult to determine, for names that begin with gin-, jen-, or jun-, which family they ultimately originated with. Juniper (given name) The given name Juniper is either in reference to the English common name for the juniper tree or