In what way is the liver involved in excretion?

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.

Which of the following pairs is correctly matched regarding the secretion and its primary physiological role in humans?

Where are the sweat glands and sebaceous glands located?

Generally,the pigment bilirubin formed by the breakdown of haemoglobin is excreted through . . . . . . .

Assertion : In vertebrates,the liver is also referred to as an accessory excretory organ.
Reason : Liver helps kidneys in the secretion of urine.