What is the difference between wood cells and human cells? Given the previous question, write a context that contains the answer. It can be 1 - 20 sentences. Context:
Wood is a heterogeneous, hygroscopic, cellular and anisotropic material. It consists of cells, and the cell walls are composed of micro-fibrils of cellulose (40% – 50%) and hemicellulose (15% – 25%) impregnated with lignin (15% – 30%).