Answer:
Harvey stated that the veins returned blood to the heart
Explanation:
William Harvey provided proof;
That the theory of blood consumption by the body was not correct.
There are two separate blood flow loops
Blood in the veins flow towards the heart with one way blood flow bw=eing maintained by valves in the blood vessels
The correct option is therefore;
'Harvey stated that the veins returned blood to the heart'
A primary source is made by someone who was there during the event. In this case, it’s the American Revolution. There isn’t a provided picture (well at least on my screen there isn’t) so I can’t give whatever the choices are, but some examples of a secondary source are:
textbooks, book reviews, reprints of maps/artworks, etc.
3 dollars
Dushshahhahahajajak
The answer to this is false