If anyone can answer this?

Your the one who should answer it because it's about the physical activities you do. Brisk walking, running, jogging or jogging in place, burpees, bear crawls, swimming, water aerobics, and cycling/bicycling are all cardiovascular exercises. Squats, push-ups, planks, and biceps curl are all example of muscular strength exercises. Forward lunges, side lunges, cross-over, standing quad stretch, seat straddle lotus, seat side straddle, seat stretch, and knees to chest are examples of flexibility exercises.

uranium fissions/breaks up giving out energy and neutrons