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Browse Fact Box about Science - Biology


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  Fact Category Datev  
46 Blood vessels that carry blood back toward the heart are called veins. Science > Biology 06/25/08
47 Blood vessels that carry blood away from the heart are called arteries. Science > Biology 06/20/08
48 Biology is the science of life and living organisms. Science > Biology 06/18/08
49 An octopus has three hearts. Science > Biology 06/15/08
50 A mammal that lays eggs is called a monotreme. Science > Biology 06/04/08
51 Thymine is a nitrogenous base found in DNA but not in RNA. Science > Biology 05/19/08

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