Heart and along the conduction system of the heart. The heart receives blood low in oxygen from the systemic circulation, which enters the right atrium from the superior and inferior venae cavae and passes to the right ventricle. From here it is pumped into the pulmonary circulation, through the lungs where it receives oxygen and gives off carbon dioxide. Oxygenated blood then returns to the left atrium, passes through the left ventricle and is pumped out through the aorta to the systemic circulation−where the oxygen is used and metabolized to carbon dioxide. The heart beats at a resting rate close to
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