Why Does Lymph Contain Protein

Question

Why does lymph contain protein?
A) Protein is synthesized by the lymph nodes.
B) Protein leaks out of the capillaries into the tissue spaces and is absorbed into the lymphatic capillaries.
C) The cells that line the lymphatic vessels synthesize protein.
D) Adenoids transport plasma protein into the lymphatic vessels.

Accepted Answer

Protein leaks out of the capillaries into the tissue spaces and is absorbed into the lymphatic capillaries. As lymph flows through the lymphatic vessels, it picks up any proteins that have leaked out of the blood vessels into the surrounding tissues.