English National Curriculum - Science
Mission Objectives
Describe the processes of filtering and selective re-absorption in the kidneys
Suggest how the composition of the urine will change in given situations
Describe the effect of ADH on the kidneys
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Words and meanings to learn
tubules
tiny tubes in the kidneys that help reabsorb useful substances such as water, glucose and ions back into the blood
nephron
the functional unit of the kidney that filters blood and forms urine
kidneys
organs that filter the blood, removing urea and helping control water and ion levels in the body
urine
liquid waste product produced by the kidneys that contains urea, excess water, and excess ions, and is excreted from the body through the urinary system
urea
waste substance made in the liver when excess amino acids from proteins are broken down
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