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Dog health
The domestic dog's health is possibly one of the best-studied areas in veterinary medicine, since the dog has had such a long and close relationship with humans. Some foods commonly enjoyed by humans ... > more -
Cell (biology)
The cell is the structural and functional unit of all living organisms, and is sometimes called the "building block of life." Some organisms, such as bacteria, are unicellular, consisting of a single ... > more -
Lepidoptera
The order Lepidoptera is the second largest order in the class Insecta and includes the butterflies, skippers, and moths. This order has more than 180,000 species in 127 families and 46 ... > more -
Evolution of the eye
The evolution of the eye has been a subject of significant study, as a distinctive example of a homologous organ present in a wide variety of species. The development of the eye is considered by most ... > more -
Tocopherol
Tocopherol, or Vitamin E, is a fat-soluble vitamin in eight forms that is an important antioxidant. Vitamin E is often used in skin creams and lotions because it is believed to play a role in ... > more
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