The teeth that are best adapted for grasping andtearing food are the .a. incisorsb. caninesc. premolarsd. molars

The diagram shows the Inside of the small intesine. Which sentence correctly describes the function of the structures shown? A. The pancreas produces an Important chemical. O B. The large intestine absorbs water and excretes waste. O C. The vill absorb nutrients. D. The stomach breaks down food.

In which of the following organs you would expect to find the salivatory and swallowing centers a. brain b. spinal cord c. cranial nerves d. pons and medulla e none

Why doesn’t the stomach digest itself?a. The stomach wall is not composed of protein, so it is not affectedby proteolytic enzymes.b. The digestive enzymes of the stomach are not strong enough todigest the stomach wall.c. The lining of the stomach wall has a protective layer of epithelial cells.d. The stomach wall is protected by large amounts of mucus.