OCR•GCSE•Biology
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Organism Level Systems
Nervous system, hormones, and homeostasis
Practice 62 subtopics in Organism Level Systems. All questions match the OCR GCSE specification.
About Organism Level Systems
Organism Level Systems is a key topic in the OCR GCSE Biologyspecification. This topic covers nervous system, hormones, and homeostasis.
Master all 62 subtopics below with unlimited AI-generated questions. Each subtopic page includes sample questions and the ability to generate unlimited practice questions with detailed solutions.
All Subtopics (62)
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Coordinating body responsesCentral nervous systemPeripheral nervous systemReceptorsEffectorsNeuronesSensory neuronesRelay neuronesMotor neuronesSynapsesNeurotransmittersReflex arcReflex actionsPAG: Reaction timeStructure of the eyeCorneaIrisPupilLensRetinaOptic nerveAccommodationVision defectsMyopia and hyperopiaEndocrine systemHormones vs nervous systemGlandsPituitary glandThyroid glandPancreasAdrenal glandsReproductive organsDefinition of homeostasisControl systemsNegative feedbackTemperature regulationThermoregulationBlood glucose regulationInsulinGlucagonDiabetes Type 1Diabetes Type 2KidneysStructure of kidneyNephronFiltrationReabsorptionADHUrineKidney failureDialysisKidney transplantPubertyMenstrual cycleFSHLHOestrogenProgesteroneContraceptionHormonal contraceptionIVFFertility treatments
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