Skip to content

Your Body

Get body ready

A friendly guide to how your body works and how everyday habits shape your health. This is general education, not medical advice, so please talk to a doctor about your own health.

5 levels · 112 modules · about 15 hours

  1. 1
    1. 1What Is a Body, Really?See your body as trillions of cooperating cells organised into tissues, organs and systems.6 min
    2. 2Cells: The Smallest Living UnitsUnderstand what a cell is, what it needs to survive, and how cells divide and renew.8 min
    3. 3DNA and GenesLearn how DNA carries instructions and why genes shape you without deciding everything about you.9 min
    4. 4Four Kinds of TissueRecognise epithelial, connective, muscle and nerve tissue and what each one does.7 min
    5. 5Organs and What They DoGet a simple map of the major organs and the main job each one performs.8 min
    6. 6The Body Systems MapSee how eleven body systems divide the work of keeping you alive.9 min
    7. 7Homeostasis: Staying in BalanceUnderstand how your body keeps temperature, fluids and chemistry within safe limits.8 min
    8. 8Bones and the SkeletonLearn how bones support, protect and store minerals, and how they keep rebuilding.8 min
    9. 9How Muscles WorkUnderstand how muscle fibres contract and the difference between skeletal, smooth and heart muscle.8 min
    10. 10Skin: Your Largest OrganSee how skin protects you, controls temperature and senses the world around you.7 min
    11. 11What Is Metabolism?Learn how your body turns food into energy and building blocks, and what affects that rate.9 min
    12. 12The Heart as a PumpUnderstand the four chambers, the valves and how one heartbeat moves blood.8 min
    13. 13Arteries, Veins and CapillariesLearn how the vessel network carries blood out and back to the heart.7 min
    14. 14What Is in Your Blood?Meet red cells, white cells, platelets and plasma and the job of each.8 min
    15. 15Heart Rate and PulseLearn what a resting heart rate is, how to find your pulse, and what changes it.6 min
    16. 16Blood Pressure ExplainedUnderstand what the two blood pressure numbers mean and why high pressure often has no symptoms.9 min
    17. 17Cholesterol Without the ConfusionLearn what cholesterol does, how HDL and LDL differ, and why levels matter over time.9 min
    18. 18How Your Lungs WorkFollow air from your nose to the tiny air sacs where oxygen enters the blood.8 min
    19. 19The Mechanics of a BreathUnderstand how the diaphragm and rib muscles pull air in and push it out.7 min
    20. 20Breathing and CalmSee why slow, steady breathing can shift your nervous system towards rest.7 min
    21. 21Air Quality and Your LungsLearn how pollution, smoke and dust affect breathing and simple ways to reduce exposure.9 min
    22. 22Heart and Lung Warning SignsRecognise symptoms like chest pain or breathlessness that mean you should seek medical help quickly.8 min

  6. Body Ready badge + certificate

    You understand the basics of how your body works and how to care for it.