produced when the liver breaks down old red blood cells
the tube that carries urine from the nephrons to the ureter via the renal pelvis.
reactions in which large complex molecules are broken down to form smaller,simpler molecules;...
a diploid reproductive stage in the life cycle of many fungi and protists.
middle body tissue layer that forms the muscular, circulatory and excretory systems.
hormone produced by the pancreas, which catalyses the conversion of glycogen to glucose.