In which of the following is harmful uric acid converted into potassium sulfocyanide?

Components present in sweat $- P$
Components present in sebum $- Q$
$I -$ Sterols,$II -$ Waxes,$III - NaCl$,$IV -$ Hydrocarbons,
$V -$ Lactic acid,$VI -$ Small amounts of urea
Select the correct option for $P$ and $Q$.
$P \quad Q$

Other than the kidney,which of the following organs help in the elimination of excretory wastes?
$I.$ Lungs $II.$ Liver $III.$ Skin $IV.$ Spleen
Choose the correct option containing all correct organs.

What is the function of the secretion of sweat glands?

Accessory excretory organs are:
$I.$ Skin
$II.$ Lungs
$III.$ Liver
$IV.$ Sebaceous gland
Choose the correct option.

What is the primary function of the hormone Erythropoietin?