The bones form the skeleton of the body., True, False, All animals have a backbone., True, False, Animals with a backbone are called vertebrates., True, False, The skeleton includes only the bones of the head., True, False, The skull contains the brain., True, False, The ribs form a strong cage called the chest., True, False, The ribs join the backbone only in front., True, False, The shoulder consists of two bones., True, False, There are three bones in the thumb., True, False, There are twenty-seven bones in the hand and wrist together., True, False.

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