Atrium (heart) now used for an appendage of the atrium. Humans have a four-chambered heart consisting of the right atrium, left atrium, right ventricle, and left ventricle. The atria are the two upper chambers. The right atrium receives and holds deoxygenated blood from the superior vena cava, inferior vena cava, anterior cardiac veins and smallest cardiac veins and the coronary sinus, which it then sends down to the right ventricle (through the tricuspid valve) which in turn sends it to the pulmonary artery for pulmonary circulation. The left atrium receives the oxygenated blood from the left and right pulmonary veins, which it
Susana (given name) Susana (given name) Susana is a feminine given name. Like its variants, which include the names Susanna and Susan, it is derived from Σουσάννα, "Sousanna", the Greek form of the Hebrew שושנה, "Shoshannah", which could have been derived from the Aramaic language. ܫܘܫܢ, "Shoshan" means "lily" in Syriac. سوسن, "Susan", is the Persian spelling of this name. The spelling "Susanna" is used in Sweden, Italy, the Netherlands and Finland, as well as much of the English-speaking world. "Zuzana" is used in Czech Republic and Slovakia, and the spelling is "Zsuzsanna" in Hungary. In Polish it is "Zuzanna". In addition to