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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.
Everyone has one nostril that is larger than the other.
In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.
About 60% of newborn infants in the United States are jaundiced; that is, they look yellow. Kernicterus is a form of brain damage caused by excessive jaundice. When babies begin to be affected by excessive jaundice and begin to have brain damage, they become excessively lethargic.
Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.
![With input from sensory neurons, activation of the reticular activating system causes arousal of the ...](https://biology-forums.com/gallery/28/medium_482573_27_04_17_12_06_50_28444267.jpeg)
![Alternative pathway recognition and activation. C3w is on the surface of the microbe; factor B binds ...](https://biology-forums.com/gallery/31/medium_398119_12_07_17_4_24_41_316192299.jpeg)