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Explore the structure and function of the human excretory system, including the kidneys, urinary system, and the role of ADH in osmoregulation. This summary covers key concepts such as nephron structure, ultrafiltration, selective reabsorption, and the composition of urine. Ideal for Edexcel IGCSE Biology students preparing for exams.

Excretory System Overview

Revision note

Emma

Biology Excretion 

Explore the anatomy and physiology of the kidney, focusing on the nephron's role in urine production and osmoregulation. This summary covers key concepts such as the renal cortex, medulla, and the function of ADH in regulating water balance. Ideal for biology students studying the excretory system.

Kidney Structure & Function

georgia

The Kidney - Biology 

AQA A level biology homeostasis. Loop of Henle, Osmoregulation and the action of ADH. 

Explore the mechanisms of kidney function, focusing on the Loop of Henle, osmoregulation, and the role of ADH in maintaining water balance. This summary covers key concepts such as hypertonic urine, aquaporins, and negative feedback in homeostasis, essential for AQA A level biology.

Kidney Osmoregulation & ADH

Julia Morgan

Loop of Henle, Osmoregulation and the action of ADH

Information about kidneys, including its main job, deamination, negative feedback, filtration and selective reabsorption. 

Explore the essential roles of kidneys in filtering blood, regulating water and ion levels, and the process of deamination. This summary covers nephron structure, filtration, selective reabsorption, and the role of ADH in maintaining homeostasis. Ideal for GCSE biology students.

The effect of adh on tubule permeability and in water balance – higher

4 best study notes in The effect of adh on tubule permeability and in water balance – higher