<em>Well, Cells of the immune system not only use lymphatic vessels to make their way and T cells mature in the thymus, they both initially develop from bone marrow. B cells are immune cells that function primarily by producing antibodies. structure on the surface of a pathogen that binds to T or B lymphocyte antigen receptors. Hope That Helps!</em>
The direct source of energy to move the sailboat is probably wind, since wind is what pushes the sail of the sailboat, which is what propels the sailboat forward.
Explanation: Photosynthesis removes CO2 from the atmosphere and replaces it with O2. Respiration takes O2 from the atmosphere and replaces it with CO2.
