Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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Blood is approximately twice as thick as water because of the cells and other components found in it.
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According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.
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There are more nerve cells in one human brain than there are stars in the Milky Way.
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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.
Classification of bones by shape.
Bones of the spinal column.
Bones of the Forelimb
Bones of the lower extremities.
Homeschooling has come a long way. These children are performing in a musical at the annual ...