Biology

English (UK)

Explore the mechanisms of kidney function and homeostasis in this detailed summary. Learn about ADH's role in water regulation, the nephron structure, ultrafiltration, and the adaptations of various organisms for osmoregulation. Ideal for A Level Biology students studying Unit 3.7.

Kidney Function & Homeostasis

Revision note

Caitlin Ellis

WJEC A Level Biology Unit 3.7 Notes

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.

Rihana

GCSE biology - kidneys

Quick revision questions based on the EDUQAS A Level Biology Specification for Component 3 Homeostasis and the Kidney Topic

Explore key concepts of kidney function and homeostasis with targeted revision questions. This resource covers essential topics such as dialysis, osmoregulation, and the role of aquaporins in maintaining fluid balance. Ideal for A Level Biology students preparing for exams.

Molly Gowar

Homeostasis and the Kidney Revision Questions

Osmoregulation

Respiration

All the possibilities for unit 1 WJEC QER 6 mark questions

Explore comprehensive insights into 6-mark QER questions for the WJEC Biology GCSE. This resource covers key topics such as substance exchange, the carbon and nitrogen cycles, respiration, and the circulatory system, providing essential knowledge for exam preparation.

GCSE Biology QER Insights

Exam Practice

Amani

Biology GCSE 6 markers QER 

Explore the key concepts of exchange and transport systems in A-Level Biology. This summary covers the mechanisms of biological substance exchange, including the circulatory and digestive systems, gas exchange in mammals and plants, and the cardiac cycle. Understand the roles of xylem and phloem, and the adaptations of specialized exchange surfaces for efficient transport. Ideal for exam preparation and revision.

Biology: Exchange & Transport

Charlie Chomanicz

Science

A-Level Biology Exchange and Transport Systems

Explore the intricate gas exchange systems in insects, focusing on the role of spiracles, tracheae, and tracheoles. This summary covers adaptations for efficient oxygen delivery and carbon dioxide removal, including the Discontinuous Gas Exchange Cycle and mechanical ventilation strategies. Ideal for biology students studying respiratory systems.

Insect Gas Exchange Mechanisms

Rachel

gas exchange in an insect

Revision notes based on EDUQAS A Level biology specification for component 2 gas exchange topic

Explore the essential mechanisms of gas exchange in plants and animals, including stomata function, leaf anatomy, fish respiration, and the role of specialized respiratory surfaces. This summary covers key concepts such as photosynthesis, respiration, and the importance of surface area-to-volume ratios, tailored for A Level biology students following the EDUQAS specification.

Gas Exchange Mechanisms

Gas exchange revision notes for EDUQAS A level biology

AS and A-Level Biology notes on the gas exchange systems of Insects, Bony Fish and Mammals. Includes notes on diffusion, alveoli, gill arch, lungs, tracheole system. any questions or any corrections, please dm me!!!! 🫶🏻

Explore the gas exchange systems of insects, bony fish, and mammals in this comprehensive AS and A-Level Biology summary. Understand key concepts such as diffusion, alveoli, gill arches, and the tracheal system. This resource highlights the importance of specialized exchange surfaces and the surface area-to-volume ratio in efficient respiration. Perfect for exam preparation and quick revision.

Biological Homeostatic Processes

Osmoregulation

3 best study notes in Osmoregulation

Respiration

Substance Exchange in Organisms

5 best study notes in Substance Exchange in Organisms

Thermoregulation