The Excretory System 2015

1. UNIT 2

2. Renal arteries
Kidney
ureter
Bladder
Urethra
VIDEO

3. List of materialsList of materials
1 Carton 80 cm
1 Width of 30 cm
2 Transparent plastic sleeves 40 cm
1 Plastic ball
1 Staw
1 Funnel
1 Plastic bottle ( filled )
2 Plastic botte ( empty )
1 Cube
Somes stones
2 Transparents plastic sleeves 18 cm
Subtancies to change the colour water

4. VocabularyVocabulary
Arterias renalesArterias renales : Renal arteries
Riñon : Kidney
Uréter : Ureter
Vejiga : Bladder
Uretra : Urethra
Filter : Filtrar

5. PROCESSPROCESS
When your drinks liquids , these liquids go into the
stomach, and through renal arteries go to the kidneys
and the kidneys filter and then drive them on ureter
and bladder and when they accumulate until urine flow
through the urethra .

7. The fuction of the urinary system is get out
the body bad liquids by urine.
The parts of the urinary system are:
1.The renal arteries carry blood to
the kidneys.
2.The kidneys eliminate water and
waste products from the blood. This
harmful product forms urine.
3.The ureter carry the urine from the
kidneys to the bladder.
4.The blader is like a box where is
the urine waiting for go out.
5.The urethra is the part that
expulses the urine

8. We not only eliminate waste products
by the skin but also through the
urinary System. We sweat when we
have hot. Sweating is a mixture of
water and minerals. Sweat leaves our
body through pores.