Answer:
n 1932 DeBakey devised the “roller pump,” an essential component of the heart-lung machine that permitted open-heart surgery. He also developed an efficient method of correcting aortic aneurysms by grafting frozen blood vessels to replace diseased vessels.
Works written: The New Living Heart
Born: September 7, 1908, Lake Charles
Died: July 11, 2008
Step-by-step explanation:
Answer: C
Step-by-step explanation: Hope this help :D
12.5 because 400/32 is 12.5 lol I used a calculator
Answer:
2/14
Step-by-step explanation:
There are 14 letters in all of the boxes combined and only 2 of those letters are A.