A skeleton is a structure that supports the body of an animal/Human.
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Types of Skelton.
In animals, skeleton The of two types ..
⚫ exoskeleton and ⚫endoskeleton.
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⚫⚫Exoskeleton.⚫⚫
⚫▪️Some animals ,such as insects have hard outer coverings. This Skeleton is called is called an exoskeleton.
The exoskeleton is a skeleton on the outside of their bodies .it supports and protects the bodies of these animals.
All insects, centipedes, spiders, crabs , beetles, lobster and snails have an exoskeleton.
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⚫⚫Endoskeleton⚫⚫
⚫▪️Many animals and humans ,have skeleton inside their bodies.This skeleton is called an endoskeleton.It provides support and protection for the internal organs and muscles .All invertebrates have an endoskeleton.
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Functions of Skeleton
⚫▪️The skeleton provides support to the body .it allows us to stand upright and move around.Without a skeleton ,the would be like a floppy mass of organs,skin and muscles.
⚫▪️skeleton protects soft internal organs from injuries.For example the rib cage surrounds the heart and lungs ,and the skull protects the brain.
⚫▪️The skeleton facilitates movement through joints and attachment to muscles
⚫▪️Bones store fats and minerals such as calcium and phosphorus.Rhse minerals released into blood as the body needs.
Bones also contain bone marrow which produces blood cells .Blood cells are important for the body's immune system.