IB Biology (first exams 2025) notes for Theme C, by syllabus code.
Home › IB Biology › Integration of Body Systems IB Biology Integration of Body Systems IB Biology: 13 Notes (C3.1) In integration of body systems IB Biology notes, integration means the coordination of cells, tissues, organs and organ systems so that a multicellular organism works as one unit. For the official syllabus, see the IB […]
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Home › Human Physiology › Nervous System IB Biology Nervous System IB Biology: 16 Easy Notes (C2.2, C3.1) In nervous system IB Biology notes, the nervous system is the network of neurons that detects stimuli, carries information as fast electrical impulses and coordinates responses. It has a central part, the brain and spinal cord, and
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IB Biology notes on hormones and the endocrine system for C3.1 and D3.3 (SL and HL marked): the hypothalamus and pituitary, adrenaline, melatonin, insulin and glucagon, type 1 and type 2 diabetes, thermoregulation, and feedback, with MCQs and diagrams.
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