Detailed Instructions: You are given a short paragraph, a question and two choices to answer from. Choose the correct answer based on the paragraph and write the answer(not the key).
Q: Paragraph: Warming up exercises increases the blood flow to the muscles and increases the heart rate.
 Question: Tony wanted to prevent cramps by warming up. This _____ blood flow to his muscles. 
 Choices: A)decreases 
B)increases
A:
increases