ساينس الصف السادس الإبتدئي الفصل الدراسي الاول ساينس سادسة ابتدائي – ترم أول In This part we will study : -Movement is the ability of the organism to change its position from a place to another. -Man moves from a place to another seeking for benefit or away from harm. -The movement of our bodies depends on the work of muscles and bones together. The human locomotory system consists of two major systems: 1. The skeletal system 2. The muscular system The axial skeletal system The Skull It is a that bony box contains cavities for the eyes, ears and nose The function: It protects the brain. The backbone Is consist of a series of 33 vertebrae It contains cartilage to prevent the friction between the vertebrae during movement The function: 1.It allows the body to bend in all directions. 2.It protects the spinal cord. The Rib cage It consists of a series of 12 pairs of ribs The first 10 pairs are connected anteriorly to the sternum (breastbone) The last 2 rib pairs are loose and not attached so, they are called Floating ribs The function: 1.It protects the heart and lungs. 2.It helps in the respiration process (breathing) لمتابعة مستر احمد الباشا وكل ما يخص الساينس : جروب الفيس بوك http://bit.ly/2Of1mcN صفحة الفيس بوك http://bit.ly/2Gq5xMo بالتوفيق مستر احمد الباشا