Cook the lasagna sheets according to package instructions until al dente. Drain and set aside.
In a large skillet, heat a tablespoon of olive oil over medium heat. Add the sliced zucchinis and sauté for 5 minutes, or until tender.
In a bowl, mix the ricotta cheese with half of the Parmesan cheese.
Spread a layer of tomato sauce at the bottom of a 9x13 inch baking dish. Add a layer of lasagna sheets on top of the sauce, followed by a layer of zucchini slices, and a layer of the ricotta cheese mixture. Repeat the layers until all the ingredients are used up, ending with a layer of tomato sauce on top.
Sprinkle the remaining Parmesan cheese on top of the lasagna, and add the dried oregano and basil.
Cover the baking dish with aluminum foil and bake in the oven for 45 minutes.
Remove the foil and bake for an additional 15 minutes, or until the cheese is melted and the lasagna is bubbly.
Let the lasagna cool for a few minutes before serving.