viernes, 26 de febrero de 2010
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How the excretory system
the machine excretory have a fuction of remove the waste made a body
the machine excretory have : kidneys, bladder , urethra
In is processes have a processes:
first: the body separates the necessary from the unnecessary of the food .
second: the kidneys made a urine it seems a plasma.
third: once made the urine this must be expelled from the bladder
the machine excretory have : kidneys, bladder , urethra
In is processes have a processes:
first: the body separates the necessary from the unnecessary of the food .
second: the kidneys made a urine it seems a plasma.
third: once made the urine this must be expelled from the bladder
aparato excretor