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What are the two divisions of the digestive system?
Digestive organs and the system in general can be divided into two parts: the accessory organs and the alimentary canal. The alimentary canal is the GI tract and the accessory organs are things like the teeth, tongue, salivary glands, and gallbladder.
What is the mixing of substance in the alimentary canal?
Smooth Muscle in the wall of the alimentary canal can contract to produce two types of movements 1. Churning: Churning Mixes substances in the canal 2. Peristalsis: Propels substances through the body.
What two organ groups make up the digestive system?
The digestive system comprises two main organ groups: the alimentary canal and the accessory organs. The alimentary canal includes organs such as the mouth, esophagus, stomach, small intestine, large intestine, and anus, through which food passes and is processed. The accessory organs, which include the liver, pancreas, and gallbladder, produce enzymes and substances that aid in digestion but do not directly transport food. Together, these organ groups work to break down food, absorb nutrients, and eliminate waste.
Name two parts of the alimentary canal where amylase is secreted?
stomach and small intestine..
Two types of movements within the alimentary canal?
mixing movements and propelling movements
Can the alimentary canal be seen in the mantle cavity?
No, the alimentary canal cannot be seen in the mantle cavity. The mantle cavity is primarily a space in mollusks that houses the gills and other structures, while the alimentary canal is part of the digestive system located within the body of the organism. The two systems are distinct, although they may be functionally related in terms of overall physiology.
Which wall of the alimentary canal is actually organized into two distinct layers?
The muscularis layer of the alimentary canal is organized into two distinct layers: an inner circular layer and an outer longitudinal layer. This arrangement allows for coordinated peristaltic movements, facilitating the movement of food along the digestive tract. The circular layer constricts the lumen, while the longitudinal layer shortens the segment of the canal, enhancing the efficiency of digestion and propulsion.
What are two main divisions of the digestive system?
The alimentary canal which consists of the mouth, phraynx, esophagus, stomach, small intestine, and large intestine, and the accessory canal, which consists of teeth, the tongue, salivary glands, the liver, gall bladder, and pancreas.
What are two parts of the alimentary canal that are responsible for chemical digestion?
The two parts of the alimentary canal responsible for chemical digestion are the stomach and the small intestine. In the stomach, gastric juices containing hydrochloric acid and enzymes break down proteins. The small intestine further continues this process, aided by enzymes from the pancreas and bile from the liver, which help digest carbohydrates, proteins, and fats into absorbable nutrients.
Is a gastrovascular cavity a digestive tract with two openings - a mouth and anus?
No, a gastrovascular cavity only has one opening. Only an alimentary canal features a mouth and anus.
What are the layers of the alimentary canal?
There are four basic layers: starting at the innermost (closes to the food) there's the mucosa, then submucosa, then muscularis, then serosa. The muscularis layer is made up of two distinct, concentric muscular layers, the inner circular and the outer longitudinal (named for the general direction of their muscle fibers).The four basic tissue layers of the alimentary canal are: Mucosa, Submucosa, Muscularis externa, and the Serosa.From outer to inner: serosa, external muscle layer consisting of outer circular and inner longitudinal, submucosa and mucous membrane
Two functions of the bone?
To support your body and to protect organs
