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.
Yet again, she was rejected from several more physician positions because she was a woman. Elizabeth did not let that stand in her way, though. She rented out a small room and started her own private practice. Her sister, Dr. Emily Blackwell, and a woman by the name of Dr. Marie Zakrzewska soon joined her (Pillai).lizabeth Blackwell was born in Bristol, England on February 3rd, 1821. Her parents were Samuel and Hannah Blackwell. Elizabeth and her siblings were denied public schooling because their father refused to accept the authority of the Church.