Essay About Digestive Juices And Muscular Tube

Awesomeness
Awesomeness
The Mammalian Digestive System
I. Mammalian Digestive System
A. This system consists of the alimentary canal and various accessory glands
that secrete digestive juices into the
canal through ducts.
1. Peristalsis, rhythmic waves of
contraction by smooth muscles in the
wall of the canal, pushed the food
along tract.
2. Sphincters are ring-like valves
consisting of modified muscles in a
muscular tube, such as the digestive