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1. A Joint is a place where bones unite by ligaments and fibrous tissues allowing movement of the body.
2. Bones are bound to the muscle by a fibrous connective tissue called Tendons which are capable of resisting pressure.
3. A bone is connected to another bone by a fibrous connective tissue called the Ligament which protects against wear and tear, bending and twisting.
4.Osteoblast - cells that synthesize bone and having a single nucleus, replace the dead cartilage cells in clusters by a process called as Endochondral Ossification.
5.Osteoclasts, digest or dissolve the bone- they are cells that are informed in the bone marrow by the fusion of two or more cells. This function of the cell help in bone remodelling.
6. Acetylcholine - a chemical molecule in the brain that acts as messenger to generate impulses between the nerve and the bone.
7. Yellow bone marrow - they contain cells called adipocytes that store the fat required for normal functioning of the bone.
8. Red bone marrow - they contain hematopoietic stem cells that produce red blood cells, white blood cells and platelets at various stages and are rich in blood vessels..
9. Tendons attach muscle to bone, and ligaments attach bone to bone. Both tendons and ligaments are fibrous connective tissue that help in connecting muscle and bone.
10. Diaphysis - a long, tubular hollow shaft that connects the ends of a bone.
11. The skull is the bone structure that protects the brain. The skull forms the structure of the face. The base of the skull is the point where cranial nerves and blood vessels move in and out.
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