Presentation is loading. Please wait.

Presentation is loading. Please wait.

The Lymphatic System By: Seraphín and Emma.  Network of vessels that: - Collect fluids lost by blood & returns it to circulatory system. -Clears away.

Similar presentations


Presentation on theme: "The Lymphatic System By: Seraphín and Emma.  Network of vessels that: - Collect fluids lost by blood & returns it to circulatory system. -Clears away."— Presentation transcript:

1 The Lymphatic System By: Seraphín and Emma

2  Network of vessels that: - Collect fluids lost by blood & returns it to circulatory system. -Clears away infection. -Keeps body fluids in balance. What is it?

3 1.Fluid from circulatory system leaks into tissue. 2.Lymph (fluid) collects in lymphatic capillaries. 3.Slowly flows into larger lymph vessels. The Process of the Lymphatic System I

4 4. Lymph vessels - contain valves 5. Valves- prevent lymph from flowing backward. 6. Ducts collect lymph & return it to circulatory system. 7. Lymph goes through 2 openings in superior vena cava. Process of Lymphatic System II

5  The Lymphatic system is not a closed system.  It carries fluid through all parts of the body.  See the blue.

6  Act as filters. -trap bacteria that cause disease. -“swollen glands” are swollen lymph nodes. (colds) -house specialized white blood cells called lymphocytes. Lymph Nodes

7  Return excess fluid to circulation.  Nutrient absorption. -Lie near cells that line intestine & absorb: fats and fat soluble vitamins (A, D, E, and K). -from the digestive tract. -carry them to the blood. Lymph Vessels

8 Small intestine – where the white lines are lymph vessels that absorb nutrients. The small white patch with LN in it is a Lymph node.

9  Mass of lymphatic tissue.  Acts as a blood filter.  Destroys damaged red blood cells and platelets. Spleen

10  Produces & ‘educates’ T- Cells.  T- cells are white blood cells - produce hormones to promote development.  Bone marrow also produces the cells in lymph -they both work together Thymus

11  Largest lymphatic vessel in body.  Collects most of the lymph.  Drains lymph into the blood.  Connected to the Superior Vena Cava. Thoracic Duct

12  Lymphedema- -Occurs when lymphatic vessels are blocked. -If fluid builds in tissues, starts to swell. -Primary cause– present at birth, most common in females  Others problems include: infections, blockage, and cancer. E.g. Hodgkin's Lymphoma Diseases in the Lymph System

13 Lymphedema Symptoms

14  More than 3 liters of fluid leak from the circulatory system into surrounding tissues every day.  It is VERY important that there is a steady flow of lymph through out  Lymph means ‘white’ in Greek  Lymph is not directly pumped by the heart, it has its own system that flows upward toward the neck from the feet and hands.  http://www.youtube.com/watch?v=qTXTDqvPnRk http://www.youtube.com/watch?v=qTXTDqvPnRk Facts


Download ppt "The Lymphatic System By: Seraphín and Emma.  Network of vessels that: - Collect fluids lost by blood & returns it to circulatory system. -Clears away."

Similar presentations


Ads by Google