Step 1: Identify the location of the “Oral Cavity” label in the image by analyzing the text tagged on different parts of the body. Reference: Oral Cavity Step 2: Determine which part of the body is being pointed to by the label “Oral Cavity” in the image. Verify its location to ascertain which part of the body it corresponds with among the given choices. Step 3: Confirm that the label “Oral Cavity” points to the general area associated with the mouth in the human body diagram. The other choices such as liver, tongue, and stomach are located elsewhere in the diagram. Reference: Mouth The final answer is B.