Red blood cells pick up oxygen in the lungs. Blood travels away from the heart and lungs through the arteries. Red blood cells drop off oxygen to the cells through tiny tubes called capillaries. Blood then returns to the heart through the veins and the cycle begins again.
Answer:
False.
Explanation:
RPE is basically the scale on how hard an exercise is. Here is how it works:
10 RPE: Very hard, excruciating pain.
9 RPE: Not as hard as 10, but still extremely hard.
And so on, until you reach 1, which is basically the easiest thing you've ever done in your life.
So all in all, RPE is just a scale on how hard an exercise is.
The correct answer is Your lap.
The answer is D
Hope this helps
