Why is urine yellow?
Urine is a waste product produced by humans and animals. Why is it yellow? Life processes - Living processes - Excretion Learning Points Urine is produced by the kidneys and is excreted through the bladder. Urine is mostly water, excess salts and urea. A Twig Context Film. Reinforce and extend the learning required by the curriculum. Twig’s context films show abstract concepts in action in the real world.
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