CBSE · Class 10 · Science · Chapter 5

Life Processes

Explore nutrition, respiration, transportation and excretion as the essential processes that maintain living organisms.

13 lessons 65 min
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Lessons in this chapter

  1. 1What Are Life Processes?The quiet machinery of being alive never clocks out.
  2. 2NutritionEvery cell needs groceries, even when the organism is resting.
  3. 3Autotrophic NutritionLeaves turn sunlight, air and water into stored food.
  4. 4Heterotrophic NutritionNot every organism cooks its own dinner.
  5. 5How Do Organisms Obtain Their Nutrition?Amoeba proves that one cell can run a complete kitchen.
  6. 6Nutrition in Human BeingsYour digestive tract is a carefully organised food-processing journey.
  7. 7RespirationCells turn glucose into spendable energy, one pathway at a time.
  8. 8Respiration in Human BeingsMillions of tiny air sacs keep every cell supplied with oxygen.
  9. 9Transportation in Human BeingsThe heart runs two connected delivery routes without taking a break.
  10. 10The Tubes — Blood VesselsArteries deliver, veins return and capillaries handle the handover.
  11. 11Transportation in PlantsPlants operate two transport networks without a single pump.
  12. 12ExcretionKidneys rescue useful materials while sending wastes on their way.
  13. 13Chapter Summary and PracticeThe whole chapter joins forces for one final systems check.
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