1. WHAT IS THE FUNCTION OF THE EXCRETORY SYSTEM?

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2. Do a drawing about the urinary tract, write its parts and in a square write what the different parts do.

The_______________and the__________________are parts of the excretory system. The main parts of the urinary tract are the____________,

the_____________,the_______________and the____________________.

3.Why is it important to drink liquids specially when you are doing a sport or ill with fever?

4.Find five words in the box. Then use them to complete the sentences.

M U S C U L A RR E D D A L B S TU R I N E F I L TE R R W A T E R U

a) The kidneys______________ your blood to remove waste.

b) The kidneys also mix the waste with_____________ to produce urine.

c) The ureters are two thin tubes that carry urine from your kidneys to your_________________ .

d) The bladder is a bag-shaped organ with______________ walls.

e) The urethra carries the _______________out of your body when you go to the toilet.

5. Put the sentences in order and number the parts on the diagram.

____The urine is stored in the bladder.

____When you need to go to the toilet, the bladder contracts and pushes the urine out of the body, through the urethra.

____The urine travels from the kidney to the bladder via the ureters.

____In the kidneys, waste and other substances mix with water to make urine.

3. Order the words to write sentences.

a) excretory / glands / the / are / part / system. / of / sweat / The

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b) glands / got / You / in / skin. / sweat / of / millions / your / have

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c) contains / products / salts. / and / mineral / waste / Sweat / water

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d) body / sweat / your / You / is / hot. / when

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e) you / body / water / Your / loses / sweat. / when

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