25 - Immune System
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AP Notes, Outlines, Study Guides, Vocabulary, Practice Exams and more!
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breathing structures -
oxygen diffusion - way for gases to get across plasma membranes
fish heart - replaced simple tubular hearts
types of circulatory systems - open/closed
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female reproductive system - ovaries develop more slowly than testes
male reproductive system - sperm produced in seminiferous tubules
reproduction - sexual/asexual
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