The organ that removes metabolic wastes including urea, excess water, and salts from the blood.

The waste products produced by cellular life processes the most important of which are carbon dioxide, water, urea and mineral salts.

Another term for sweating; removal of water, salt and urea through the sweat glands in the skin.

Select all of the substances that are excreted by the body.

Select all of the organs that do excretion.

Is sweating an example of excretion?

Faeces is ............ from the body.