Answer: A. Blood flow increases
Explanation: A warm up revs your cardiovascular system increasing your temperature and the heat that is building up. It increasing blood flow to your muscles. I don't know if this helps?
Explanation:
main idea of a paragraph is the primary point or concept that the author wants to communicate to the readers about the topic. Hence, in a paragraph, when the main idea is stated directly, it is expressed in what is called the topic sentence.
Vaudeville i think i spelled it right
