Explanation:
Faeces is not an excretory product; it is a digestive waste product. It consists of undigested food and other substances that are eliminated from the body through the digestive system.

Here's a breakdown of the other options:

A. Urine – Urine is an excretory product that removes waste like urea, salts, and excess water from the body.

B. Sweat – Sweat is an excretory product that helps regulate temperature and removes excess salts, urea, and water.

D. Salts – Excess salts are excreted through sweat and urine.

E. Carbon-dioxide – Carbon dioxide is a metabolic waste product excreted by the respiratory system.