A level Biology Communication and Homeostasis FULL A* Summary Notes. Includes negative feedback, positive feedback, cell signalling, temperature control in ectotherms and endotherms. Suitable for GCSEs, A-levels, IB, Cambridge. Cheap and affordable notes by a TOP student. Completed easy notes for bio. AQA, OCR, Edexcel, Eduqas and Cambridge.

A level Biology Transport in Plants FULL summary notes by an A* student. Includes FULL and easy information about xylem, phloem, companion cells, water flow, transpiration, translocation. Top grades A/A* notes. Short and concise. Affordable lecture notes suitable for A levels, GCSE, IB, Cambridge exams. Revision notes.

A level Biology Circulatory System FULL A/A* SUMMARY notes. Cheap and affordable notes. Easy to understand. Heart, circulation in animals and humans. Suitable for IB, GCSE, A-levels, Cambridge. Exam boards AQA, OCR A, OCR B, Eduqas, Cambridge, Edexcel. Notes typed by an A/A* student. Suitable for exam revision. CGP books.

This document describes the structures that help transport blood around the body, this includes oxygenated and deoxygenated blood. With plenty of diagrams included, this document explains how the structure of arteries, veins, capillaries, and arterioles are suited to their biological functions.