The lymphatic system

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         Lymphatic system

Lymphatic system is composed of:
  
   .the lymph
   .the lymphatic vessels
   .the lymph glands or nodes
                 Lymph is a fluid like plasma and the tissue fluid but in cases of infection it may contain bacteria.
 Specialized lymphatic organs are such as tonsils,thymus and spleen.

The lymphatic vessels are:
 .the thoracic duct which collects lymph from legs,trunk,left arm,left side of chest and left side of the head.

.. the right lymphatic duct which collects lymph from right arm, right side of chest and right side of the head.

                          Functions:

 Lymph gland help to protect the body from infection by:

.-filtering the lymph to prevent germs from getting in to blood stream and fighting to overcome them.

-Producing new lymphocytes for the blood.
    The spleen is 12 1/2 cm.long and 8cm broad and is protected by lower ribs in some diseases such as typhoid fever,malaria it becomes enlarged and can be palpated at the upper abdomen.

-It produces new lymphocytes for the blood.

-It helps to fight the infection.

-It acts as a reservoir of RBC.

                                    

                       

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