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Does a perch have a gastrovascular cavity or a complete digestive tract?
A perch has a complete digestive tract, which includes a mouth, esophagus, stomach, intestine, and anus. This structure allows for more efficient digestion and nutrient absorption compared to organisms with a gastrovascular cavity.
The complete lining of a person's digestive tract is renewed approximately every?
The complete lining of a person's digestive tract is renewed approximately every 3-5 days. This rapid turnover is necessary to replace old cells and maintain the health and function of the digestive system.
What is the wavelike movement of the digestive tract?
That wavelike movement of the digestive tract is known as peristalsis.
What are the names of all parts of the digestive system?
The parts of the digestive system include the mouth, esophagus, stomach, small intestine, large intestine, rectum, and anus. Additional organs that aid in digestion but are not part of the digestive tract include the liver, gallbladder, and pancreas.
What feeds on the undigested food in the digestive tract to help complete digestion?
The gut microbiota, which consists of beneficial bacteria and other microorganisms, help to break down undigested food in the digestive tract. These microorganisms aid in fermentation and breakdown of certain nutrients, helping to complete digestion and extract additional energy from food.
