If you meant Denton Cooley, he was the first person to implant an artificial heart in 1969.
In an explanatory essay, or any essay, the introductory paragraph introduces (hence it's name) the main idea, or what you are going to explain. The body paragraphs go into extreme detail of what the introductory paragraphs mentioned.
<span>As a slave ship captain, John Newton would read passages from the bible and often used it as a basis to do punishment to the slaves.But over period of time, John Newton realized the devastating effects on Africans and started to take a stand against it.
John Newton felt he had 'lost his way' in life for a time and that was the time while he was engaged in the slave trade.
This led to his 'second life' career as a musician, poet, author and member of the Clergy of the Church of England. This events made him reconcile his Christian faith.</span>
The correct answer is the 1st answer choice I believe.
Hope this helps you!! (:
