EXCRETORYSYSTEM

Body functions produce WASTE substances.

These substances pass into the blood.

EXCRETION is the elimination of waste

substances from the blood.

The excretion process is carried out by the

EXCRETORY SYSTEM.

They filter the blood. Collect the waste which make up urine.

The carry urine from the kidneys to the bladder.

It stores the urine.

Urine is expelled through this tube.

Sweat is a liquid that our body secrets.

Sweat eliminates excess heat when

our body is very hot or when we exercise.

Sweat consist of water but it also contains salts and a

small amount of waste substances.

What does sweat consist of?

What is sweat?

What is sweat for?

When you sweat you should drink a lot of water to replace it.

Sweat is formed here.

Pore

Sweat goes to outside of the body.