The 20 minute physical activity I performed was doing yardwork. It was fairly easy to do, besides a lot of bending down involved to pick up sticks. I did it in my front and backyard for a bit over 20 minutes, and no one did it with me.
Answer:
2 a sensory organ starches
Answer:
its the measure of your body's ability to take oxygen from the atmosphere and use it to produce energy for your muscle cells.
Explanation:
