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Excretion

Excretion. Excretion is the elimination of waste substances from the blood . It’s no the same as the elimination of faeces . Kidneys. Thes are in the abdomen, at both sides of the spinal column , they filter the blood and retain waste substances which made up urine .

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Excretion

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  1. Excretion

  2. Excretionistheelimination of wastesubstancesfromtheblood. • It’s no thesame as theelimination of faeces.

  3. Kidneys Thesare in the abdomen, at bothsides of thespinalcolumn, theyfiltertheblood and retainwastesubstanceswhichmade up urine. Yourkidneys look like 2 giant red beans.

  4. Ureters • Thesetwotubescarryurinefromkidneystothebladder.

  5. Bladder • Thisstorestheurineand thenexpellsthisfromthebody. Urethra • Urineisexpelledthroughthistube

  6. Sweat • Sweatis a liquidthatourbody secretes whenourbodyisveryhotorwhenweexercise. • Sweatisformed in thesweatglands in theskin. Itconsists of water, salts and a smallamount of wastesubstances.

  7. game • http://www.softschools.com/science/human_body/urinary_system/

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