In man, the kidneys are
Definition / Explanation :
$(1)$ Calyces
$(2)$ Renal pyramids
Choose incorrect sentence.
$(I)$ Malpighian corpuscles, $PCT$ and $DCT$ the nephron are situated in medulla of the kidney
$(II)$ The loop of henle dips into medulla.
$(III)$ In juxta medullary nephrons, the loop of henle is too short and extends very little into the medulla.
$(IV)$ Vasa recta is absent or highly reduced in cortical nephrons.
First phase of urine formation takes place here.
Draw a labelled diagram showing reabsorption and secretion of major substances at different parts of the nephron.