Villi a. are found throughout the gastrointestinal tract. b. generate movement of materials in the large intestine. c. increase surface area in the small intestine. d. contain both smooth and skeletal muscle fibers. e. All of the choices are correct.

What feature of cell theory is best demonstrated in the image

Adigestive system that is a series of tubes beginning at the mouth and ending at the anus is a digestive system.

What is the importance of having the us forest service, the bureau of land management, the us fish and wildlife service, and the national park service? to manage land resources for conservation and the development of natural resources to manage land resources for conservation and the development of urban areas to preserve historical landmarks and manage the development of urban areas to preserve historical landmarks and manage the development of rural areas