They provide half lives by radio active decay that can tell how old they are and earth also they provide analogous and and homologous structures
Ligament is a fibrous connective tissue which joins the bone to bone. It helps to keep the skeletal system in structure and provide stability to the skeletal system.
Answer:
In autoimmune diseases, such as lupus, multiple sclerosis and rheumatoid arthritis, people produce antibodies that stick to their body's own proteins and attack healthy cells.
Explanation:
