To prolong the life of
mankind
Is what Doctors and Nurses
have in mind.
Working on his invention
every night
One doctor separated blood
cells red from white.
He wasn’t working on a cure
for colds or asthma
But something new and special
called Blood Plasma.
This new invention helped
save the soldiers of World War Two
And if we’re in an accident
This doctor’s hard work might
help save us too
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