Mention location, size and weight of the kidney.
$(i)$ Location: It is situated between the levels of last thoracic and third lumbar vertebra close to the dorsal inner wall of the abdominal cavity.
$(ii)$ Size : Each kidney of an adult human measures $10-12 \mathrm{~cm}$ in length, $5-7 \mathrm{~cm}$ in width, $2-3 \mathrm{~cm}$ in thickness.
$(iii)$ Weight : Average weight is $120-170 \mathrm{gm}$.
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 $120-170$ $gram$
The basic functional unit of the human kidney is
In nephrons there is complete absorption of
What is the characteristic of metanephric kidney