Answer:
<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>
<em>From Itsbrazts.</em>
Chemical energy through the process of photosynthesis.
in our lungs
and throughout our blood stream
Answer:
It has a postanal tail.
It has pharyngeal arches.
The choice that best fits and answers the question is;
D: absorption
I hope this answer is sufficient and has aided you.
Cheers.