Blood has many different functions, including: 1  transporting oxygen and nutrients to the lungs and tissues. 2  forming blood clots to prevent excess blood loss. 3  carrying cells and antibodies that fight infection. 4  bringing waste products to the kidneys and liver, which filter and clean the blood. 5  regulating body temperature.
Thomas Jefferson, a Brief Biography. Thomas Jefferson -- author of the Declaration of Independence and the Statute of Virginia for Religious Freedom, third president of the United States, and founder of the University of Virginia -- voiced the aspirations of a new America as no other individual of his era.
Early Life. Thomas Jefferson, author of the American Declaration of Independence and the third U.S. president, was born on April 13, 1743, at the Shadwell plantation located just outside of Charlottesville, Virginia -- near the western edge of Great Britain's American Empire.homas Jefferson-Mini Biography (TV-PG; 4:17) Thomas Jefferson was was a draftsman of the U.S. Declaration of Independence, the nation's first secretary of state, second vice president and third president.