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
Rotate a text block. Click the Text Block tool. Note If the Text Block tool isn't visible, click the arrow next to the Text tool, and then click the Text Block tool. Click the shape to select its text block. Note If the text is in a group, click to select the group, and then click to select the text in the shape.