William Harvey first realized that blood circulated in 1491-1492
the first person to look into the sky and realize that the stars were not gods.
The African-Amrican, Dr. Charles Drew, was the first person to discover how to store blood. Hope this helped! :D
Our tradition states that Abraham was the first person to practice what later became known as Judaism. He was the first person to realize that there is only one G-D and that G-D is infinite.
the first person to discover earth was round was god he made the earth in a spherical shape b00m theres ur answer
First to realize America wasn't Asia
he was the first person to discover that blood has oxogen in it
The bite of a snake first affects the blood, unless a person is bitten directly in the brain, which would be very difficult. The reason it affects the blood first is that the venom must first travel through the blood.
Not always - it depends which parts of the brain are affected in the initial 'episode'.
School is essential. It's not "unnecessary". Basic reading and writing are necessary in the modern world.
Man did not at first realize that flies were harm full
Not very likely. First, the person would have to have AIDS and second your hand would have to have a cut or crack for the infected blood to enter into you.
CoD black ops :)