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
Riley (given name) (Descendent of/Of Raghallach) which was later adapted in English as O'Reilly which itself has been anglicised into "Reilly". The surname "Riley" is a translated version of Reilly; which evolved over time. It currently is #8 in England and Wales, #9 in Northern Ireland, #15 in Scotland, #30 in Australia and New Zealand, #64 in Canada, #156 in the United States, and #198 in the Netherlands. Riley (given name) Riley is a unisex given name, which first appeared as "Raghallach", which was originated on a man who died in the Battle of Clontarf. Its source gives its meaning as "valiant". Riley