ICSE Class 9 Biology | 12. Skeleton: Movement and Locomotion by Pavan | Learn Smarter
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12. Skeleton: Movement and Locomotion

The chapter discusses the skeleton's role in providing support, protecting vital organs, and facilitating movement. It describes the types of skeletons, specifically focusing on the human skeleton which consists of 206 bones divided into the axial and appendicular skeletons. Additionally, it covers the functions of the skeleton, types of joints, the relationship between muscles and movement, and the various modes of locomotion in animals.

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Sections

  • 12

    Skeleton: Movement And Locomotion

    The skeleton is the body's internal framework for support, protection, and movement.

    Learning Practice

  • 12.1

    Introduction

    The skeleton is the body's internal framework that supports, protects, and facilitates movement.

    Learning Practice

  • 12.2

    Types Of Skeleton

    This section describes the three main types of skeletons in animals: endoskeletons, exoskeletons, and hydrostatic skeletons, along with examples of each.

    Learning Practice

  • 12.3

    Human Skeleton

    The human skeleton consists of 206 bones, organized into the axial and appendicular skeleton, essential for protecting organs and facilitating movement.

    Learning Practice

  • 12.4

    Functions Of The Skeleton

    The skeleton provides critical support, protection, and facilitates movement while also playing important roles in blood cell production and mineral storage.

    Learning Practice

  • 12.5

    Joints And Types

    This section discusses joints in the human body, outlining their types and the movement capabilities associated with each.

    Learning Practice

  • 12.6

    Muscles And Movement

    Muscles contract and relax in pairs to facilitate movement at joints by acting upon the skeleton.

    Learning Practice

  • 12.7

    Locomotion In Animals

    Locomotion refers to the movement from one place to another in animals, involving the coordinated action of muscles and the skeleton.

    Learning Practice

References

b9-12.pdf

Class Notes

Memorization

What we have learnt

  • The skeleton serves as the ...
  • There are different types o...
  • Muscles and joints work tog...

Final Test

Revision Tests