The main skeletal element is the vertebral column, composed of articulating vertebrae which are lightweight yet strong.
ðə mˈeɪn skˈɛlᵻɾəl ˈɛlɪmənt ɪz ðə vˈɜːɾɪbɹəl kˈɑːlʌm, kəmpˈoʊzd ʌv ɑːɹtˈɪkjʊlˌeɪɾɪŋ vˈɜːɾɪbɹˌiː wˌɪtʃ ɑːɹ lˈaɪtweɪt jˈɛt stɹˈɔŋ.