Excretory systemHOW DOES OUR BODY RID ITSELF OF WASTE MATTER?

BRAINSTORMINGHow does the body eliminate waste material through the digestive system?

And through the respiratory system?

What do you know about the excretory system?

Wich organs does it have?

What is its funtion?

Excretory system

Urinary system

Sweat glands

URINARY SYSTEM Renal arteries• Carry blood to the kidneys

Kidneys• Eliminate water and waste products from

the blood• It forms urine

Ureters• Carry the urine to the bladder

Bladder• It keeps the urine until it is full and expel

it throught the urethra

The urinary system Game

SWEATING

These glands excrete sweat

through the pores

Sweat glands are activated

We get hot

IT’S TIME TO WORK!!

Activities 3,4 and 5 page 29 Then, you can draw the excretory system on your

notebook

Copy the question and make complete answers