Cardio I'm sure, ( they want me to type more so this is why I'm writing this )
A. Preparation i think I’m sorry if it isn’t right
The answer is -- A. A tube that extends from a bacterium
Answer:
B. Bigger amount of time for exercise.
Explanation:
When you exercise that gets your blood to flow faster, and heart rate to go up at a good amount. Example; "When I was jogging my fitness tracker had said it was going quite high.".
