Where are podocytes found?

Select the correct statements from the following.
$(i)$ Renal papilla is a narrow tip of the medullary pyramid.
(ii) Renal cortex is red-coloured and striated.
(iii) Longitudinal-circular-longitudinal arrangement of smooth muscles is observed in the renal pelvis at its origin.
(iv) Ureter is a long,non-muscular hollow tube that communicates with the renal pelvis at its origin.

What is the shape of the human kidney?

What will happen if one kidney of a person is removed?

Provide definitions/explanations for the following terms:
$(1)$ Malpighian body
$(2)$ Sebaceous gland

Choose the correct statement given below regarding juxta medullary nephron.