Who was the Houston surgeon who was known for performing the first coronary artery bypass graft procedure in 1964 and performing the first heart transplant in 1968? A) Benjy Brooks B) Michael DeBakey C) Walter Cunningham D) Howard Hughes, Sr.

B

Explanation:

Two Houston surgeons, Michael E. DeBakey and Denton Cooley, have been in the forefront in developing heart surgery and heart transplantation. DeBakey and his team performed the first successful coronary artery bypass graft procedure on November 23, 1964.

c 3 branches because idk why they had 3 well when:

you think of it there are still contrys with 3

well that depends on how deep the hole is. you'd first go through te crust of the earth, then the upper mantle, then the lower mantle then the outer core, then the inner cor then you'd be stuck in the core to melt.