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avian
| Question | Answer |
|---|---|
| the organ system responsible for food intake, digestion, absorption, and excretion in birds. | Avian Digestive System |
| Opening through which food enters the bird’s body. | Beak or Bill |
| Temporary storage site for food located at the base of the neck. | Crop |
| Moistens and softens feed through mucus and water secretion. | Crop function |
| Glandular stomach where digestive enzymes and acids are secreted. | Proventriculus |
| Secretes hydrochloric acid and pepsin to start chemical digestion. | Proventriculus function |
| muscular stomach that grinds and crushes feed with the help of grit. | Gizzard or Ventriculus |
| Mechanically reduces particle size for easier digestion. | Gizzard function |
| Small intestine where most digestion and nutrient absorption occur. | Small Intestine |
| First part of the small intestine where bile and pancreatic juices mix with food. | Duodenum |
| Middle section of the small intestine responsible for absorption of nutrients. | Jejunum |
| Last section of the small intestine that connects to the large intestine. | Ileum |
| Two blind pouches located at the junction of the small and large intestine. | Ceca |
| Aid in fermentation and absorption of remaining nutrients and water. | Ceca function |
| Short section of the intestine responsible for water absorption and feces formation. | Large Intestine |
| Terminal chamber where digestive, urinary, and reproductive tracts open. | Cloaca |
| Stores feces and urine before excretion. | Cloaca function |
| Opening through which wastes are expelled from the body. | Vent |
| Liver that produces bile to aid in fat digestion. | Liver |
| Yellow-green fluid that emulsifies fats for absorption. | Bile |
| Organ that secretes digestive enzymes and bicarbonate into the duodenum. | Pancreas |
| Tube that connects the mouth to the crop. | Esophagus |
| Common bile and pancreatic ducts empty here. | Duodenal loop |
| Special muscular valve between proventriculus and gizzard. | Isthmus |
| Stores digestive enzymes used later in digestion. | Pancreas function |
| Controls passage of digested material into cloaca. | Rectum |
| Connects oral cavity to the esophagus. | Pharynx |
| Structure allowing birds to swallow food due to lack of soft palate. | Tongue and pharynx coordination |
| Mechanically breaks feed before entering the esophagus. | Beak function |
| Stores grit that aids in grinding feed in the gizzard. | Grit |
| Part where water and electrolytes are absorbed before waste elimination. | Colon |
| Main function of the avian digestive tract. | Digestion and absorption of nutrients |
| Gland located near the stomach producing digestive enzymes. | Pancreas |
| Organ aiding in detoxification and metabolism of absorbed nutrients. | Liver function |
| Primary site for protein digestion in birds. | Proventriculus and gizzard |
| Site where carbohydrate digestion and nutrient absorption take place. | Small intestine |
| Region for microbial fermentation in birds. | Ceca |
| Final passage of undigested materials before excretion. | Cloaca and vent |
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user-1909129