Shape of WBCs and tracheid ?

1.	Shape of WBCs and tracheid ?
Answer» WBCs\xa0are irregular in\xa0shape, but have a nucleus and an outer buffer coat. 120 days. There is only one type of RBCs found in the blood. There are various types of\xa0WBCs\xa0with distinct functions in the blood:neutrophils, T lymphocytes, B lymphocytes (plasma cell) monocytes (macrophage), eosinophils, basophils.Tracheid\xa0consists\xa0of a single elongated cell with pointed ends and a secondary, cellulosic wall thickened with lignin (a chemical binding substance) containing numerous pits but having no perforations in the primary cell wall.

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