Answers

2016-06-21T19:03:46+08:00
the network of vessels through which lymph drains from the tissues into the blood.


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2016-06-22T10:58:35+08:00
Lymphatic system is composed of lymph, lymph nodes, and lymph vessels and other organs such as spleen,bone marrow and thymus.
this system defends the body against infection. "the body's defense system"
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