Answer :
The part of kidney which is most likely to be involved in filtration, reabsorption, and secretion processes are the renal pyramids.
Blood enter the nephron through the glomerulus. The glomerulus pushes blood cells and proteins into the glomerular capsule. The filtrate flows into the proximal convoluted tubule. Nephrons in the renal pyramids filter blood for the renal artery. Renal pyramids are small structures that contain strings of nephrons and tubules. Humans have an average of seven to eighteen renal pyramids per kidney. The processes of filtration, reabsorption, and secretion ensures that only waste and excess water are removed from the body. Filtration is the process of mass movement of water and solutes from plasma to the renal tubules.
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