Did you know?
Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.
Did you know?
Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.
Did you know?
Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.
Walrus tusk engraving made by Chukchi artisans depicting polar bears attacking walruses. On display
When Union troops pushed toward Richmond in June of 1862, these slaves crossed the Rappahannock Rive
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Normal (A) and Abnormal (B) Balance between Dopamine and Acetylcholine
What is the mole fraction of I2 in a solution made by dissolving 139 g of I2 in 245 g of ...
Fluid–solute balance in freshwater and marine bony fishes