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Questions and Answers
What parts does the foregut of the fish's digestive tract include?
What parts does the foregut of the fish's digestive tract include?
- Mouth, buccal cavity, and pharynx (correct)
- Mouth, liver, and large intestine
- Mouth, anus, and small intestine
- Mouth, gill slits, and stomach
Which of the following is NOT an accessory organ associated with the digestive tract in fish?
Which of the following is NOT an accessory organ associated with the digestive tract in fish?
- Pancreas
- Gills (correct)
- Tongue
- Teeth
What is the function of the gall bladder in the digestive system of fish?
What is the function of the gall bladder in the digestive system of fish?
- Secretion of enzymes for protein digestion
- Storage of undigested wastes
- Production of bile for fat digestion (correct)
- Absorption of nutrients from digested food
Which part of the digestive tract differentiates into the large intestine and the terminal aperture in fish?
Which part of the digestive tract differentiates into the large intestine and the terminal aperture in fish?
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What is found on each side of the pharyngeal wall in the buccal cavity and pharynx of fish?
What is found on each side of the pharyngeal wall in the buccal cavity and pharynx of fish?
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Study Notes
Foregut of Fish
- Includes the mouth, pharynx, esophagus, and stomach, where initial digestion occurs.
Accessory Organs
- Pancreas and liver are essential for digestion but structures like the spleen are not classified as accessory organs.
Function of the Gall Bladder
- Stores and concentrates bile produced by the liver, aiding in fat digestion and absorption when needed.
Large Intestine and Terminal Aperture
- The hindgut part of the digestive tract differentiates into the large intestine and the terminal aperture.
Pharyngeal Wall Structures
- Gills are located on each side of the pharyngeal wall, facilitating respiration and filtration during feeding.
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