Biology - How the Kidneys Work - (Kidneys Part 1/3) #27

This video covers: - The 3 main functions of the kidneys: 1) removing waste, 2) regulating levels of ions, and 3) regulating levels of water - How the kidneys can achieve all of this using filtration and selective reabsorption - How anti-diuretic hormone (ADH) is used to control water levels Exam board specific info: AQA - Separate science only. The ADH part is higher tier only. IGCSE - Separate science only Edexcel - Separate science only. The ADH part is higher tier only. OCR 21st Century - Separate science only. The ADH part is higher tier only. OCR Gateway - Separate science only. The ADH part is higher tier only.