Podocytes are located in the ........ .

Each human kidney has nearly

The parts of the nephron situated in the cortical region of the kidney are:

Identify the wrong statements about the human excretory system and choose the option accordingly.
$I.$ Kidneys are reddish-brown and bean-shaped structures.
$II.$ Kidneys are situated between the last thoracic and third lumbar vertebrae.
$III.$ Each kidney of an adult human measures $10-12 \, cm$ in length,$5-7 \, cm$ in width,$2-3 \, cm$ in thickness,and has an average weight of $120-170 \, g$.

The basic functional unit of the human kidney is .......

The kidneys of adult mammals are