Question

Coronary bypass surgery is undoubtedly a very significant achievement of
modern medical science. But one ponders over certain pertinent questions
such as the cost involved and the ultimate benefit
The human heart is nothing but a four chamber muscular pump which
supplies blood to all parts of
the body. Being an active pump, the heart itself
requires a lot of energy and receives its own blood supply via certain vessels
called coronary arteries.
By a process called “atherosclerosis” fat particles are deposited on the inner
wall of the lumen of the coronary arteries which eventually reduce the size of
the lumen and produce obstructing to the free flow of blood. The portion of
the heart which suffers from lack of blood supply becomes weaker as a pump
and gives rise to a typical chese pain called 'angina'. When such blockage is
total, the corresponding heart muscle dies and then one suffers a "heart
attack".
In all these circumstances, heart surgeons perform a special type of operation
known as “Coronary bypass surgery".
In this surgery, a blood vessel is taken (usually from the leg of the patient)
and then grafted on the heart in such a way that when blood flows through, it
bypasses the narrow segment of the diseased coronary artery. The concept is
to diven the flow from the narrow artery, inside which there is already 'traffic
congestion and in this respect it is synonymous to road bypass​

Answer 1

Answer:

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Explanation:

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