pez
TRANSCRIPT
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DISECCIÓN DE UN PEZ
PAULA FERRAIRÓ FEO GERALDINE CARDONA DUQUE SUSANNA MARTÍN VALLET
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MATERIALES -UNA BANDEJA -BISTURI-TIJERAS-CAMARA -GUANTES -MASCARILLA -BOLSA GRANDE DE PLASTICO -PEZ
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PRIMER PASO : estudio previo de la anatomia del pez
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SEGUNDO PASO : Cogemos el bisturí y cortamos desde el ano hasta la aleta pectoral y después en forma de u hasta la aleta dorsal.
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TERCER PASO: Quitamos la parte que hemos cortado en forma de u y hacemos un estudio de todos lo órganos internos del pez.
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CUARTO PASO: Extraemos cuidadosamente el corazón y las agallas.
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QUINTO PASO: Diseccionamos la cabeza y los ojos y del ojo extraemos el cristalino.
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FIN