$A :$ Kidneys are retroperitoneal in position.
$R :$ Kidneys are covered with peritoneum only on ventral surface.
Assertion and Reason both are correct and also correct explanation.
Assertion and Reason both are correct but not explanation of assertion.
Assertion is correct, but Reason is incorrect.
Both Assertion and Reason are incorrect.
Henle’s loops are found in those animals which excrete hypertonic urine. One of the following does not have Henle’s loop
Identify the wrong statements about human excretory system and choose the option accordingly
$I.$ Kidneys are reddish brown and bean-shaped structure
$II.$ Kidneys are situated between the last thoracic and third lumber vertebra
$III.$ Each kidney of an adult human measures $10-12\, cm$ in length, $5-7\, cm$ in width, $2-3 \,cm$ thickness, and average weight $120-170$ $gram$
Definition / Explanation :
$(1)$ Calyces
$(2)$ Renal pyramids
What is correct for a kidney of an adult human?
Width $-$ Length $-$ Thickness