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'
Option A is the right answer.
Began around 10,000 B.C, the Neolithic revolution in the history of Human marks the transition from small nomadic bands of hunter-gatherer to larger agricultural settlement and early civilization. People in the Paleolithic age used Primitive stone tools, whereas tools in the Neolithic era were more sophisticated. People during this age invented new types of tools such as sickle blades and stone axes etc. People in the Paleolithic age lived in small groups of 20- 30 people in caves, or in cabins made of tree branches, while, the Neolithic people with the advent of agriculture and raising cattle moved to settle as the farmers and villagers.
The laws that people had to follow
Answer: Passed by Congress June 4, 1919, and ratified on August 18, 1920, the 19th amendment granted women the right to vote. ....C
Explanation: Google
