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Browse Fact Box about Science - Biology


 

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Facts

  Fact Category Dateˆ  
1 Thymine is a nitrogenous base found in DNA but not in RNA. Science > Biology 05/19/08
2 A mammal that lays eggs is called a monotreme. Science > Biology 06/04/08
3 An octopus has three hearts. Science > Biology 06/15/08
4 Biology is the science of life and living organisms. Science > Biology 06/18/08
5 Blood vessels that carry blood away from the heart are called arteries. Science > Biology 06/20/08
6 Blood vessels that carry blood back toward the heart are called veins. Science > Biology 06/25/08
7 The only living tissue in the human body that contains no blood vessels is the transparent cornea of the eye. Science > Biology 06/25/08
8 If an organism is heterozygous for a trait, they have both the dominant and recessive alleles. Science > Biology 07/07/08
9 The human adult body contains 206 bones. Science > Biology 08/05/08
10 Decompression sickness, or "the bends", can result when previously dissolved nitrogen forms gas bubbles within the body. Science > Biology 09/16/08
11 One danger of diving, commonly called "the bends", can occur by ascending too fast. Science > Biology 09/16/08
12 One gram of carbohydrates provides about four Calories of energy. Science > Biology 09/23/08
13 One gram of protein provides about four Calories of energy. Science > Biology 09/24/08
14 One gram of fat provides about nine Calories of energy. Science > Biology 09/26/08
15 One pound (454 grams) of body fat is equal to about 3,500 Calories. Science > Biology 09/30/08

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