In Exercises 87-92, find Fix). Fix) =1 X^dt

. Cell theory: ­ Cell: the structural and functional unit of life ­ How well the entire organism functions depends on individual and combined activities of all of its cells ­ Biochemical functions of cells are directed by shape of cell and specific subcellular structures ­ Continuity of life has cellular basis ­ Cells differ in shape, size, and subcellular components which lead to different functions (Fig. 3.1) ­ Erythrocytes (RBCs), epithelial, and fibroblasts connect body parts or transport gases ­ Macrophages fight disease and skeletal muscle cells and smooth muscle cells move organs ­ All cells have some common structures and functions . Human cells have 3 basic parts: 1. Plasma membrane: flexible outer