Broad sheets of tendons that serve as points of attachment for muscles are called the aponeuroses . The lymphatic system is ancillary to the blood circulatory system. Lymph nodes serve as filters to help prevent the spread of infections. The bones support the body and aid in the movement of body parts. There are a total of 206 bones in the human body.
All bones start as cartilages.
Spongy bones contain the marrow from which red and white blood cells and blood plasma matrix are produced. The processes of resorption and deposition are together known as remodeling . A non-vascular connective tissue, softer and less dense than the bone. Functions of the cartilages are similar to those of the bones. There are primarily two types of cartilages.