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The skeletal system. Presented by : Hadeel Armanazi Grade : 3. Bone chant. Listen to the song and try to sing along with the C.D. Keeping healthy CD Software. Parts of human skeleton . Can you name each ?. Why do we have skeleton ?. Our skeleton is for : 1. protection 2. Support
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The skeletal system Presented by : Hadeel Armanazi Grade : 3
Bone chant Listen to the song and try to sing along with the C.D. Keeping healthy CD Software
Why do we have skeleton ? Our skeleton is for : 1. protection 2. Support 3. Movement Let us see the details :
Skull There are 29 bones in the skull . Skull makes a box to protect the brain ,eyes and ears
Collar bone The collar bones join the skull to the shoulders .
Ribs Ribs protect the heart and lungs and other organs.
Spine The spine is made up of 24 individual small bones (called vertebra) . Your spine supports your head and body
Pelvis It shaped like bowl . It holds all of the organs in the lower part of the body.
Summary questions 1.Why we call human beings vertebrates? 2. What is the function of the skeleton ? 3.What is the function of the followings: Skull/ Collar Bone/ Ribs/ Spine/ Pelvis. 4. What if human don’t have skeleton .Give one thing might happen .