Class reptilia comparing vertebrate hearts figure circulatory system Animals heart hearts blood types oxygenated deoxygenated reptile system three diagram cardiovascular evolution chambers reptiles four animal nsf respiratory efficient Reptiles crocodile cocodrilos alligator cocodrilo anatomia buaya crocodiles examples saltwater reptil órganos digestivo emaze aparato cuento papu crocodilo bezoeken todos
Multimedia gallery Class reptilia – the biology classroom Bbc bitesize
Chambered amphibians amphibianHeart_amphibian.html 42_04vertcirculatorysyst_b.jpg What is the function of a three chambered heart of an amphibian?Reptiles: characteristics and examples.
Heart chambered three blood ventricle amphibian amphibians two oxygenated deoxygenated bitesize bbc atria maintaining metabolism timing contractions kept minimum due .
What is the function of a three chambered heart of an amphibian?
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Class Reptilia – The Biology Classroom
BBC Bitesize - Higher Biology - Maintaining metabolism - Revision 3
Reptiles: characteristics and examples