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.
Thomas L. Jennings (1791 â February 12, 1856) was an African-American tradesman and abolitionist in New York City, New York. He operated and owned a tailoring and dry-cleaning business, and, on March 3,1821, he was granted patent 3306x for a dry scrub process as the first African American to be granted a patent.