B improve your posture and appearance
Answer:
B. a substance that sends the immune system into action
Explanation:
Answer:
physical:
Swimming.
Cycling.
Using an elliptical trainer.
anaerobic:
high intensity interval training (HIIT)
heavy weight lifting.
calisthenics, like plyometrics, jump squats, or box jumps.
Explanation:
The answer is D since doing more physical activity creates more energy and help people benefit from the exercise
<span>I would say ... C. adolescence </span>
