Lymphatic System 🛡️

Function of the Lymphatic System?

A Main function is to return excess tissue fluid to blood vascular system

What are lymph capillaries?

Smallest lymph vessels

What do Lymphatic collecting vessels do?

Collect lymph from lymph capillaries

Lymphatic Vessels

collect tissue fluid from loose connective tissue,

Properties of lymphatic capillaries?

High permeability allows entrance of Tissue fluid and protein molecules, Bacteria, viruses, and cancer cells

Lymph Nodes

small, round structures at many sites along the lymph vessels.

What are the primary lymphoid organs?

bone marrow and thymus

What are the secondary lymphoid organs?

Lymph nodes, spleen, tonsils, Aggregated lymphoid nodules, Appendix

What happens in the thymus?

immature lymphocytes develop into T lymphocytes

What's the largest lymphoid organ?

Spleen