Regnul animal V.3

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  • Created by: icamui1
  • Created on: 05-04-15 13:55

MAMIFERE - cele mai evoluate vertebrate; homeoterme, capacitate de termoreglare => traiesc in toate zonele geografice si mediile de viata (terestre, subterane, acvatice, aeriene)

  • tegument cu structura complexa; productii cornoase (par, gheare, unghii, copite, coarne) si glandulare (sudoripare, sebacee, mamare)
  • cavitatea toracica (contine inima si plamanii) despartita de cea abdominala prin muschiul diafragm;
  • respiratie pulmonara;
  • circulatie dubla si completa, carja aortica orientata spre stanga;
  • dentitie diferentiata: incisivi, canini, molari, premolari - toti infipti in alveole;
  • mandibula - os independent si mobil, se articuleaza…

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