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she is pointing at the axial skeleton which protects and supports the inside organs. one of the one she is pointing at is the skull which is the upper on the stick and it protects your brain, vertebral column which is the bone going straight down your back, the rib cage which protects the heart and other inner organs, the last one she is pointing at is the bone in between the ribs which is called the sternum.
bone marrow is the soft tissue inside your bone. the periosteum is a tough substance that covers the bones and protects it and sends all the nutrients through it.
cartilage is thick flexible substance tissue that covers the ends of the bone for easier movement. infants are mostly full of cartilage until they become older they start gaining bone.
the bones are there to protect the body and keep the organs in place and together. it also helps the body be supported and put together.
joints are two places were the bones connect by the ligament. the joints have two types. the immovable and the movable.
movable means that you can move your bones with thinking about it like your fingers and feet and immovable is without thinking about it like the heart, blinking and blood vessels.
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