NEET BIOLOGY

Detailed explanation-1: -It consists of blood vessels directly connected to nephrons. Also, it contains a major part of glomeruli. Hence, the right option is option B that states that Henle’s loop and Vasa recta are not parts of the renal cortex.

Detailed explanation-2: -The cortex contains the renal corpuscle, proximal, and distal convoluted tubules. The medulla and medullary rays contain the loops of Henle and collecting ducts.

Detailed explanation-3: -The renal cortex is where the nephrons (blood-filtering units) begin. Each kidney has 1 million nephrons. The filtering unit of the nephron is the glomerulus, and the glomerulus is attached to a tubule which removes wastes and returns the needed substances to your body.

Detailed explanation-4: -Among the given options convoluted tubules are not a part of renal pyramid.

Detailed explanation-5: -The loop of Henle has a thin descending limb, a thick ascending limb and a thin ascending limb. The fluid entering the descending limb contains sodium chloride and other salts, urea and other chemicals that have been filtered out from the blood.