Question

How did the scientist find out that blood moves in blood vessels?

Answer 1

Hy here is your Ans..

• The circulation of the blood might sound like something we all accept but, in fact, it wasn't discovered until 1628. ... He knew from Fabricius that the veins had stepladder valves in them, which Harvey realised helped the blood get back to the heart, completing the circuit.

✓Ace

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