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'
I believe you could be referring to the spouse of the President, also called the First Lady of the United States. The spouse of the President is non-elected and not confirmed by the Senate. Although she does not have real power, she can be very influential and has a prominent presence in the live of the nation.
A professed believer who maintains religious opinions contrary to those accepted by his or her church or rejects doctrines prescribed by that church. Roman Catholic Church. a baptized Roman Catholic who willfully and persistently rejects any article of faith.
The right answer for the question that is being asked and shown above is that: "D. they were trained to serve the sultan as cavalier soldiers." All of the following are true statement about the powerful African slaves known as the Mamluks EXCEPT D. they were trained to serve the sultan as cavalier soldiers.