Lymphatic system

What are the functions of the Lymphatic system?

Transportation of lymph back into circulation

Absorption of digestive fats and fat-soluble vitamins into circulation

Protection against infection and diseases through lymphocyte production to kill pathogens

What is lymph?

Tissue fluid formed from plasma

What is the function of lymphatic vessels?

Pick up tissue fluid and transport it towards the heart

What are the 2 lymphatic ducts?

Right lymphatic duct, Thoracic duct

What are lymph nodes?

Small pea-shaped patches along the lymphatic vessels

What are the 3 types of tonsils?

Palatine, Pharyngeal, Lingual

What is the function of tonsils?

Filter fluid contaminated by pathogens that enters the body through the mouth and nose

What is the function of Peyer’s Patches?

Produce macrophages to destroy pathogens and prevent it from penetrating through the walls of the small intestine

What are the 2 lymphatic organs?

Spleen and Thymus Gland

What are the functions of the spleen?

Filter and clean blood

contains T & B lymphocytes to fight Infections

Store up to 350mls of blood

Haemolysis: Destruction of RBCs

What is the function of Thymus Gland?

Promote reproduction and maturation of T lymphocytes in lymphoid tissue throughout the body

What is the function of lacteals?

Absorb digested fat and fat-soluble vitamins and carry them to the general circulation