The correct option is A Kidney
Nephrons are the cells of kidney which are composed of a renal corpuscle and a renal tubule. The renal corpuscle is also known Malpighian body. It consists of cup like double walled structure known as Bowman’s capsule and the bunch of capillaries present in the Bowman’s capsule is known as glomerulus. It helps in filtration of blood at high pressure. So, the correct answer is 'Kidney'.