I nclude the bone marrow, lymph nodes, spleen, and thymus. Precursor cells in the bone marrow produce lymphocytes. B-lymphocytes (B-cells) mature in the bone marrow. T-lymphocytes (T-cells) mature in the thymus gland. Besides providing a home for lymphocytes (B-cells and T-cells), the ducts of the lymphatic system provide transportation for proteins, fats, and other substances in a medium called lymph.
A book that is made with a stiff paper cover and bound directly to the text block. Many paperback books are converted to hardcover books by mylar binding. Perfect bind
Itâs important to keep this in mind â uploading a. book block to the EBM will not change the book block file in any way. Rather, the EBM will print and bind exactly what it gets. The book block typically consists of three parts: Front Matter, which is everything that should precede the core text of. the book.