Monday 6 February 2012

The excretory system.

Organs in the excretory system:

  • Kidneys: They clean our blood.

  • Ureters: Tubes conneccting the kidneys with the bladder.

  • Bladder: Urine is stored in the bladder.

  • Urethra: a tube that carries the urine out of the body.

1 comment:

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