Digestive system parts and functions

• Mouth: digestion begins in the mouth where food is mechanically digested by chewing or mostication
• Esophagus: a muscular tube about 25 centimeters long.
• The chewed food is now called bolus passes through the pharynx and then to the esophagus.
• Pharynx: a short muscular tube that serves as passageway of food and air.
• Stomach: a bag like or pear shaped organ that can temporarily expand to store food.
• Small intestine: is a long coiled tube most of the digestion takes place in the small intestine.
• Large Intestine: Undigested food goes to the large Intestine and is temporarily stored there.
• Rectum and anus: the rectum provides a temporarily storage for the feces or bowel before they are excreted.