Module 5 chapter 15 communication and Homeostasis. This set of notes include notes from lecturer, powerpoints, textbook and complies with the specification. I have designed these notes to not only help with the understanding of the topic but also on how to answer exam style questions, so not only revising the topic but also having a fair understanding on how to tackle an exam style question.

summary notes on animal responses in module 5 including adrenaline, muscle contraction, neuromuscular junction, brain structure, reflexes

mark scheme for paper 1 2023 a level biology ocr a

summary diagrams for every step in respiration in living organisms taken from the kerboodle textbook, diagrams of glycolysis, link reaction, krebs cycle and oxidative phosphorylation

coincise notes on thermoregulation in ectotherms and endotherms, including examples of heating up and cooling down for both organisms, and temperature receptors in hypothalamus and in skin. definitions for homeostasis, advantages and disadvantages of methods of heat exchange for both types of organisms

coincise notes on aerobic and anaerobic respiration, summarising processes through diagrams from online sites (save my exams) to visualise better the cycles and stages. bullet points to add extra information and summarise stages of oxidative phosphorylation in short