ANATOMY

GENERAL ANATOMY

DIGESTIVE SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
In humans, where does digestion begin? Where does digestion begin in humans?
A
Stomach
B
Small Intestine
C
Buccal Cavity
D
Liver
Explanation: 

Detailed explanation-1: -Mouth. The digestive process starts in your mouth when you chew. Your salivary glands make saliva, a digestive juice, which moistens food so it moves more easily through your esophagus into your stomach. Saliva also has an enzyme that begins to break down starches in your food.

Detailed explanation-2: -The buccal cavity or oral cavity is the beginning of the alimentary canal, which leads from the pharynx to the oesophagus. It is separated by the palate and functions as an entrance to the digestive system and is composed of the teeth, tongue, and palate.

Detailed explanation-3: -The digestive process begins in the mouth. Even before eating begins, the anticipation of eating stimulates glands in the mouth to produce saliva.

Detailed explanation-4: -The buccal cavity performs two major functions i.e, , mastication of food and facilitation of swallowing Firstly, food gets mixed with saliva which softens and lubricates the food and cheuring process breaks the food into smaller pieces. Buccal cavity is also involved in the digestion of same food components.

Detailed explanation-5: -The mouth is an oval-shaped cavity inside the skull. 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.

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