British Census Commissioners in 1841 had declared the population of Ireland to be 8,175,124. During the Famine years, 1845-50, Ireland's population declined in the millions due to deaths from starvation and disease and from mass emigration to North America and England.
Located at the rear of the abdominal cavity in the retroperitoneal space, the kidneys receive blood from the paired renal arteries, and drain into the paired renal veins. Each kidney excretes urine into a ureter which empties into the bladder. Renal physiology is the study of kidney function, while nephrology is the medical specialty concerned with kidney diseases. Diseases of the kidney are diverse, but individuals with kidney disease frequently display characteristic clinical features.
What is the function of the kidney. as unfilitered blood eneters the kidney through the renal artery, the kidney removes urea, excess water etc. and passes them to the ureter.The clean, filtered blood leaves the kidney through the renal vein and returns to circulation.ephridia. invertebrate organs which function similar to kidneys, removing metabolic waste from the body. It consists of a ciliated funnel opening into the body cavity which it is then connected to a duct that folds and expands and then opens to the nephrostome.