Question

Blood circulation was first explained by

Answer 1

1.Jenner
2.William Harvey
3.mendel
4.pasteur

Answer 2

Hiii mate

Hieronymus Fabricius 1537–1619 He discovered the valves in the veins. He noticed that the blood cannot move from the heart toward the periphery through the veins. William Harvey 1578–1657 Explained the complete process of circulation.