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?
Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.
Changes in light quality with depth: (a) the rich colours on a shallow coral reef;
Why leaves are green: interaction of light with chloroplasts.
A Toyota/Lexus hybrid electric vehicle has a ready light. If the ready light is on, the engine can ...
A typical port fuel-injection system squirts fuel into the low pressure (vacuum) of the intake ...
Dash Warning Lights: Oil (Engine) Light
A tsunami (tidal wave) traveling across deep water can have a speed of 750 km/h k m / h and a ...