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Did you know?

No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.

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The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

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Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

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After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

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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.

This map shows the percentage of Protestants by state in Germany. When compared to the previous map This map shows the percentage of Protestants by state in Germany. When compared to the previous map
Leonardo da Vinci, Study of Human Proportion: The Vitruvian Man. Leonardo da Vinci, Study of Human Proportion: The Vitruvian Man.
Human chromosomes. (A) Female. (B) Male. Human chromosomes. (A) Female. (B) Male.
The divisions of the adult human brain. The divisions of the adult human brain.
Human eye anatomy. Human eye anatomy.
Representative Recessive and Dominant Human Traits Representative Recessive and Dominant Human Traits
Video: How Hemoglobin Picks Up and Delivers Oxygen

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