D all of the above because the body burns calories at sleep and working like running.
The arteries carry oxygenated blood away from heart and then re-takes it back to your system
Answer:The PACER is designed to measure aerobic capacity, which is characterized by endurance, performance, and fitness. The objective of the PACER is to run as long as possible while keeping a specified pace. Students run back and forth across a 20-meter space at a pace that gets faster each minute.
Explanation:
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