Which of the main lymphatic ducts drains the lymph from the largest portion of the body?
Thoracic duct
The lymphatic system lacks a pump. So lymph travels back to the heart much the same way as blood travels through the veins. True or False
True
What are the major "truncks" of the lymphatic system?
lumbar, bronchomediastinal, subclavian, jugular trunks, and intestinal trunk
Name the "lymphoid" cells?
Lymphocytes, macrophages, dendritic, reticular
Which type of cell protects the body by producing plasma cells?
B cells (B lymphocytes)
Describe they lymph nodes?
Hundreds of small organs, embedded in connective tissue, not ordinarily seen
What ar the functions of the lymph nodes?
Act as lymph filters, activate the immune system
What are the organs of the lymphatic system?
Spleen, thymus gland, tonsiils, peyer;s patches of the intestines, bits of lymphatic tissue.
Which organ of the lymphatic system is a soft, fist-sized organ with a very rich blood supply?
Spleen
Which of the lymphatic organs is a bi-lobed organ very important in the early years of development?
Thymus gland
which of the lymphatic organs is the simpllest,, and are named according to their location?
Tonsils