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Brainlag Learn / GCSE Biology

Organisation: tissues, organs, digestion and circulation

Levels of organisation, digestion and enzymes with the amylase and food test practicals, the heart, blood and lungs, heart disease and cancer, and transport in plants.

Lessons

  1. Organisation, digestion and enzymesCells, tissues, organs and organ systems, the digestive system, and how digestive enzymes and bile break food down. 20 min, free
  2. Enzyme activity and the food testsHow temperature and pH change enzyme activity, rate = 1000 ÷ time, the amylase and pH required practical and the food tests. 25 min, free
  3. The heart, blood vessels and bloodThe double circulation, the path of blood through the heart, arteries, veins and capillaries, the parts of the blood and cardiac output. 25 min, Plus
  4. The lungs and gas exchangeThe path of air into the lungs, how alveoli are adapted for gas exchange, and working with breathing data. 20 min, Plus
  5. Heart disease, risk factors and cancerCoronary heart disease and its treatments, risk factors and what data can and cannot show, and benign and malignant tumours. 25 min, Plus
  6. Plant tissues and transportThe tissues of a leaf, xylem and phloem, transpiration and the factors that change it, potometer calculations and stomatal density. 25 min, Plus

Practise and test

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