Plants take in the CO2 and use it in their photosynthesis process and in turn give off oxygen.   A: The Carbon Dioxide-Oxygen Cycle is a continuously occurring process whereby animals inhale Oxygen and then exhale Carbon Dioxide, and plants use the CO2 and exhale O2.
Elizabeth Blackwell was the first woman to graduate from medical school (M.D.) and a pioneer in educating women in medicine. Dates: February 3, 1821 - May 31, 1910. Early Life. Born in England, Elizabeth Blackwell was educated in her early years by private tutor. Samuel Blackwell, her father, moved the family to the United States in 1832.
On January 23, 1849, Elizabeth Blackwell, age 28, graduated top of her class, becoming the first woman in America to be awarded a medical degree. Her ambition now was to become a surgeon. âThroughout the examination time the most friendly interest was felt in my success by my fellow-students.