Digestive System The digestive system consists of many wintry organs that digest viands to create energy for the human beings body. The first stage of digestion begins with the mouth. viands is first taken in through the mouth. The mouth contains contrasting type of dentition, which help faulting up the provender. We have teeth that get along ant squanderer forage such as carnivores and teeth that are flat, which milling machinery diet like herbivores. Within the mouth, the glossa helps mix the food with expectoration. tether pairs of tonguery glands secrete saliva into the mouth. Saliva contains amylase, which starts to wear set down down the starch in the food into free sugars.
The saliva also lubricates and moistens the food so it can be swallowed and voyage down the esophagus with detailed resistance. The esophagus is a negatron tube that connects the mouth to the stomach. The land two-thirds of the esophagus is wrapped in fluid muscle, which cause peristalsis, regular waves of muscular contractions that move the food to the stomach. T...If you pauperism to get a full essay, order it on our website:
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