Introduction - Concepts

Last updated at April 16, 2024 by

Introduction

Have you noticed the following processes around you?

  • Seed germinating
  • Animals hunting down their prey in the jungle
  • Children growing taller with age
  • Buffaloes chewing the cud
  • Moving our hand as soon as we touch a hot surface

PROCESSES AROUND YOU - Teachoo.jpg

Now, if we observe these movements, some result in growth while some do not. Let us classify these movements based on if they result in growth or not.

 

Are these movements caused by growth or not?

Movement - Growth or Not - Teachoo.jpg

  • Seed pushes the soil to germinate into a sapling; this is growth.
  • Animals hunt their prey for nourishment; this is not a movement for direct growth . But the food indirectly helps in growth.
  • Children growing taller is movement due to growth.
  • Buffaloes chew the cud by cutting through it and breaking it down to help with digestion. This is not growth but indirectly aids growth.
  • We withdraw our hand as soon as we touch a hot surface ; this is not growth.

 

 

 

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Transcript

PROCESSES AROUND YOU Seeds Germinating Animal Hunting Prey Child Growing Taller Withdrawing Hand on Touching Hot Surface Movement - Growth or Not Seeds Germinating Animal hunting prey Children growing taller Chewing the cud Withdrawing hand on touching hot surface Growth Not growth Growth Not growth Not growth FIRST AID - MOVEMENT AS RESPONSE WHISPERING IN THE LIBRARY CONTROL & COORDINATION Environmental stimulus Action or response Nervous System (Associated with nerves) Endocrine System (Associated with hormones) Eg. Coordination while walking Eg. Body preparing to react to a stressful situation

Maninder Singh's photo - Co-founder, Teachoo

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Maninder Singh

CA Maninder Singh is a Chartered Accountant for the past 14 years and a teacher from the past 18 years. He teaches Science, Economics, Accounting and English at Teachoo