THORAX ABDOMEN AND PELVIS

Detailed explanation-1: -The hollow organs that make up the GI tract are the mouth, esophagus, stomach, small intestine, large intestine, and anus. The liver, pancreas, and gallbladder are the solid organs of the digestive system.

Detailed explanation-2: -The two main functions of the mouth are eating and speaking. Parts of the mouth include the lips, vestibule, mouth cavity, gums, teeth, hard and soft palate, tongue and salivary glands. The mouth is also known as the oral cavity or the buccal cavity.

Detailed explanation-3: -The correct order in which food passes through alimentary canal is: Mouth, pharynx, esophagus, stomach, small intestine, large intestine, anus.