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
Josephine (given name) Josephine (given name) Josephine is a female given name. It is the English version of the French name Joséphine. This is the feminine form of the name Joseph, which is taken from the Hebrew name Yosef, meaning "(YHWH) shall grow." Originally a diminutive form of the French name "Joséphe", Joséphine became the standard form in the 19th century, replacing "Joséphe", which eventually became a very rare name. In 2017, Josephine was the 107th most popular girls' baby name in the USA. Diminutive forms of this name include Fifi, Jo, Josie, Joetta and Jojo. Other language variants include the Irish version