Khan Academy Static

We've spent a lot of time looking at what's inside a cell. But what about the stuff on the outside? Here, we'll look at the extracellular matrix of animal cells and the cell wall of plant cells, as well as the junctions that hold cells together.

9610_Plant_cell_walls.html

9611_Overview_of_animal_and_plant_cells.html

9609_Extracellular_matrix.html