Question

in order for your body to use more energy what does it need more of when you are exercising than when you are resting?

Answer 1

When you're exercising, your body needs more oxygen and nutrients to produce energy. It requires increased amounts of oxygen, glucose, and other nutrients to fuel your muscles and meet the higher energy demands compared to when you're at rest. This is why your heart rate, breathing rate, and circulation increase during exercise to deliver these essential resources to your muscles.