I belive the answers are:
A, C, and D
Please tell me if Im wrong (I maybe)
Answer:
Heavy breathing
Explanation:
U know when u are doing a heavy job u feel like u can't breathe normally till u rest a little bit
Your answer is D. "Measuring the angle at which a gymnast’s body bends during an aerial flip"
D. the highest level of oxygen consumption that can be sustained during exercise.