What are the main components of the lymphatic system?

The lymphatic system is a network of vessels, tissues, and organs that work together to maintain the body's fluid balance, absorb fats from the digestive system, and help defend against infections. The main components of the lymphatic system are:

• Lymphatic vessels: These are thin tubes that carry lymph, a clear fluid that contains white blood cells, throughout the body. Lymphatic vessels are similar to blood vessels, but they have valves that prevent the backward flow of lymph.
• Lymph nodes: These are small, bean-shaped structures that filter lymph and trap harmful substances, such as bacteria and viruses. Lymph nodes are found throughout the body, but they are most concentrated in the neck, armpits, groin, and abdomen.
• Lymphoid tissues: These are collections of immune cells that help defend against infections. Lymphoid tissues include the tonsils, adenoids, spleen, and thymus gland.

The lymphatic system also includes other organs and tissues that play a role in immune function, such as the bone marrow and lymphatic ducts. Together, these components work to keep the body healthy and free from disease.