Page 1 - 2. Lesson Notes-Structure of skeleton

SAI International School
Subject – Biology, Class-VI
Topic- Movements in the body
Subtopic-Structure of skeleton
Module-22

Lesson notes
▪ STRUCTURE OF THE SKELETON

THE SKULL

• The skull comprises of the bones of the face and the head region.
• It protects our brain.
• It also has holes for the eyes, nose, and ears.
• There are 22 bones present in the skull.
▪ 14 bones –form the face and jaw
▪ 8 bones- form the skull
• Most bones of the skull are fixed and cannot move except that of the lower jaw.
• The movement of the lower jaw makes it possible for us to chew food.

THE RIB CAGE

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