Malpighian body or renal corpuscle is/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 $pH$ value of human urine is:

Each human kidney has nearly

Glomerulus is formed by

Choose the correct option:
$(1)$ $ANF$ is secreted when blood pressure decreases / blood pressure increases.
$(2)$ Renal pyramids are located in the renal cortex / renal medulla.