LYMPHATIC SYSTEM Presented by Burin Gm LYMPHATIC SYSTEM

LYMPHATIC SYSTEM Presented by Burçin Gümüş

LYMPHATIC SYSTEM Consists of a network of - lymph vessels - lymph nodes - lymph

WHY DO WE NEED LYMPHATIC SYSTEM ? Has 2 important functions First, talk about interstitial fluid

FUNCTION - 1 Collects interstitial fluid (oedema) Returns tissue fluid back to the circulatory system

LYMPH VESSELS

LYMPH VESSELS Have valves Close- ended Muscle contraction

LYMPH NODES Filter the lymph before return back to the circulatory system Contain large numbers of lymphocytes and macrophages Fight infections ( Function -2) Enlarge in infection

LYMPH NODES You can feel your lymph nodes, - under your arm, in your armpits - in each groin (at the top of your legs) - in your neck (tonsils)

OTHER LYMPHATıC SYSTEM ORGANS Spleen Thymus Tonsils Adenoids

LET’S COMPARE CIRCULATORY SYSTEM LYMPHATIC SYSTEM Blood Lymph Flows toward the heart and away from the heart Flows only one direction ( towards the heart) Blood is pumped by the heart to all parts Lymph is not pumped. It passively flows of the body from the tissues into the lymph capillaries. Blood flows in the arteries, capillaries, and veins Lymph flows in an open circuit from the tissues into lymphatic vessels. Blood is filtered by the kidneys. Lymph is filtered by lymph nodes located throughout the body Blood consists of the liquid plasma that transports the red and white blood cells and platelets Lymph that has been filtered and is ready to return to the cardiovascular system is a clear or milky white fluid

LET’S REVISE… http: //www. youtube. com/watch? v=Kh-Xd. Nn. TZUo