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Animal biology

Internal anatomy of a bony fish

 

Internal anatomy of a bony fish: finned aquatic vertebrates animal with skin covered with scales. It lives in water and is usually oviparous.
Brain: seat of the mental faculties of a fish.
Esophagus: part of the digestive tract connecting the mouth to the stomach.
Dorsal aorta: vessel in the back that carries blood from the heart to the organs.
Stomach: part of the digestive tract between the esophagus and the intestine.
Air bladder: pocket in which urine collects.
Spinal cord: part of the nervous system that connects the brain to all other parts of a fish.
Kidney: blood-purifying organ.
Urinary orifice: opening for eliminating urine.
Genital Orifice: opening related to the genital organs.
Anus: end of the digestive tract.
Gonad: hormone-secreting sexual gland of a fish.
Intestine: last part of the digestive tract.
Pyloric cecum: cul-de-sac related to the intestine.
Gall bladder: small sac containing the bile.
Liver: bile-producing digestive gland.
Heart: blood-pumping organ.
Gills: respiratory organ of a fish.
Tooth: hard organ of a fish used to shred food.
Eye: sight organ of a fish.
Olfactory bulb: bulging part of the smell organ of smell of a fish.




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