What We Will Cover in the Chapter

Last updated at June 1, 2026 by

What We Will Cover in the Chapte - Life Processes in Anim - [Teachoo] - Concepts
Thirukkural 942 — ancient wisdom on digestion
📜 Thirukkural 942
"If your food is fully digested before you eat again, you won't need medicine for pain."
This verse is over 2,000 years old — and still very good advice today.

In this chapter, we look closely at two life processes: how food is digested and how energy is released from food.

Understanding the Name of the Chapter

Life
Being alive — growing, moving, responding to surroundings
Processes
Actions that happen inside the body to keep it going
Animals
Living beings that eat food and move around
  • In this chapter we focus on two life processes: nutrition and respiration .
  • We will understand how food is digested and how energy is released from food.

Topics We Will Study in This Chapter

Topics We Will Study
9.1 Nutrition in Animals
9.1.1 Digestion in Human Beings 9.1.2 Do All Animals Digest Food the Same Way as Humans Do?
9.2 Respiration in Animals
9.2.1 Respiration in Humans 9.2.2 Do Other Animals Breathe the Same Way as Humans Do?
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Maninder Singh

CA Maninder Singh is a Chartered Accountant with 16+ years of practical experience and 20+ years of teaching experience. He teaches Science, Economics, Accounting and English at Teachoo using clear explanations and exam-focused methods students can trust.

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