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.

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

coincise notes on plant responses and hormones, in bullet points to summarise processes of seed germination, antifreezing, leaf abscission, stomatal closure, geotropism and phototropism, apical dominance, plant defences

coincise notes on photosynthesis, including the structure of chloroplasts, photosynthetic pigments, Thin layer chromatography, photsytems, light dependent and independent reactions, limiting factors.

coincise notes on hormones, andrenal glands, pancreas (structure & colour under microscope), insulin and glucagon mode of action, diabetes type 1 and type 2 potential treatments

a coincise summary on neuronal communication, covering every part of the specification diagrams included for better view of different types of structures in the nervous system

a brief summary of excretion : excretory organs, liver and kidney structure, kidney transplant, kidney failure, pregnancy testing, anabolic steroid testing. diagrams for structure of liver and kidney bullet points to summarise sequence of events in excretion key words highlighted for better recall