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
June (given name) June (given name) June is a female given name, but it is also used as a male given name in English-speaking countries. It comes from the name of the month, which is derived from Juno, the name of a Roman goddess. It is also a short form of the names Juniper, Junia, Junius and Junior. June was a very popular girl's name and somewhat popular boy's name in the early to mid 20th century in the United States. As a girl's name, it reached a peak in 1925 as the 39th most popular name, but then gradually declined until it