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📚 Encyclopedia

86 entries, written plainly, with a diagram wherever a diagram explains it better than a paragraph.

🫀 Human body — 12 entries

🫀 Human body BloodA transport fluid: red cells carry oxygen, white cells fight infection, platelets stop leaks, and plasma carries every… 🫀 Human body DigestionBreaking food into pieces small enough to cross into the blood — part mechanical, mostly chemical, and taking most of … 🫀 Human body Medicines and how they are testedA medicine is a chemical with an intended effect and a list of unintended ones. Trials exist to find out whether the f… 🫀 Human body Memory and learningMemory is not a recording. It is a reconstruction, strengthened by being used — which is why testing yourself beats re… 🫀 Human body NutritionCarbohydrates, proteins, fats, vitamins, minerals, fibre and water — what each is for, and why a balanced plate beats … 🫀 Human body SleepNot switched-off time. The brain is busy during sleep consolidating memory and clearing waste, and losing it costs you… 🫀 Human body The earA funnel, a drum, three small bones and a fluid-filled spiral that turns vibration into nerve signals — and a separate… 🫀 Human body The eyeA lens that throws an upside-down image onto a light-sensitive screen, and a brain that makes sense of what arrives. 🫀 Human body The heart and circulationA four-chambered pump that sends blood on two circuits: a short one to the lungs for oxygen, and a long one to the res… 🫀 Human body The immune systemThe body's defence: barriers first, then a general response to anything foreign, then a specific response that remembe… 🫀 Human body The lungs and breathingA pair of organs built to put a very large surface in contact with the air, inside a chest that works as a bellows. 🫀 Human body The nervous systemA network of cells that carries signals as electrical impulses, with the brain and spinal cord at the centre and nerve…

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